Finding the Fourth Proportional to 291,950,550.96, 402,848,421.72 and 177,318,285
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Solution
The fourth proportional to 291,950,550.96, 402,848,421.72 and 177,318,285 is: 244,672,911.28
Step by Step Solution
- Step 1: Write the proportion equation
291,950,550.96 : 402,848,421.72 = 177,318,285 : x - Step 2: Convert to fraction form
291,950,550.96/402,848,421.72 = 177,318,285/x - Step 3: Cross multiply
291,950,550.96x = 402,848,421.72 × 177,318,285 - Step 4: Simplify right side
291,950,550.96x = 71,432,391,254,347,152 - Step 5: Solve for x
x = 71,432,391,254,347,152/291,950,550.96 - Step 6: Final answer
x = 244,672,911.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.