How did Russian ballet combine French, Italian, and Russian dance influences?

Russian ballet is widely regarded as a paradigm of the classical school because it successfully synthesized diverse international and native influences into a unique artistic idiom. This development was driven by the following key elements:1

• French Influence: The Russian Imperial Ballet was initially built upon the foundations of the French school, which provided a soft, decorative, and elegant aesthetic. Many influential ballet masters, such as Marius Petipa, brought these traditions to St. Petersburg, shaping the structure and refinement of classical productions.213
• Italian Influence: The Russian school incorporated the more virtuosic, technically demanding style of the Italians. Teachers such as Enrico Cecchetti were instrumental in training Russian dancers, adding a layer of technical brilliance and athletic precision to the existing French grace.12
• Russian Influence: Beginning in the early 19th century, Russian choreographers and dancers infused the classical vocabulary with the vigorous athleticism and expressive power of native folk dance. This integration transformed ballet from an imported courtly spectacle into a powerful, dramatic, and distinctly Russian art form.314

By blending these styles, the Russian school created a balanced, world-renowned tradition that dominated 20th-century ballet.2