$$ \begin{aligned} 193301 &= 427490992 \cdot \frac{x}{365}\cdot30&& \text{multiply ALL terms by } \color{blue}{ 365 }. \\[1 em]365\cdot193301 &= 365427490992 \cdot \frac{x}{365}\cdot30&& \text{cancel out the denominators} \\[1 em]70554865 &= 12824729760x&& \text{ swap the left and right side of the equation } \\[1 em]12824729760x &= 70554865&& \\[1 em]x &= 70554865&& \\[1 em] \end{aligned} $$

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