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Finding the Fourth Proportional to 610,691.38, 916,042.94 and 231,510.13

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Solution

The fourth proportional to 610,691.38, 916,042.94 and 231,510.13 is: 347,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,691.38 : 916,042.94 = 231,510.13 : x
  2. Step 2: Convert to fraction form
    610,691.38/916,042.94 = 231,510.13/x
  3. Step 3: Cross multiply
    610,691.38x = 916,042.94 × 231,510.13
  4. Step 4: Simplify right side
    610,691.38x = 212,073,220,124.98
  5. Step 5: Solve for x
    x = 212,073,220,124.98/610,691.38
  6. Step 6: Final answer
    x = 347,267.42

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1.5x scale

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.