Finding the Fourth Proportional to 641,345.11, 961,747.02 and 192,129.84
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Solution
The fourth proportional to 641,345.11, 961,747.02 and 192,129.84 is: 288,113.68
Step by Step Solution
- Step 1: Write the proportion equation
641,345.11 : 961,747.02 = 192,129.84 : x - Step 2: Convert to fraction form
641,345.11/961,747.02 = 192,129.84/x - Step 3: Cross multiply
641,345.11x = 961,747.02 × 192,129.84 - Step 4: Simplify right side
641,345.11x = 184,780,301,073.08 - Step 5: Solve for x
x = 184,780,301,073.08/641,345.11 - Step 6: Final answer
x = 288,113.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.