Finding the Fourth Proportional to 465,110.10, 697,665.15 and 331,265.70
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Solution
The fourth proportional to 465,110.10, 697,665.15 and 331,265.70 is: 496,898.55
Step by Step Solution
- Step 1: Write the proportion equation
465,110.10 : 697,665.15 = 331,265.70 : x - Step 2: Convert to fraction form
465,110.10/697,665.15 = 331,265.70/x - Step 3: Cross multiply
465,110.10x = 697,665.15 × 331,265.70 - Step 4: Simplify right side
465,110.10x = 231,112,534,280.36 - Step 5: Solve for x
x = 231,112,534,280.36/465,110.10 - Step 6: Final answer
x = 496,898.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.