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Finding the Fourth Proportional to 526,591.65, 726,694.90 and 284,874.17

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Solution

The fourth proportional to 526,591.65, 726,694.90 and 284,874.17 is: 393,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,591.65 : 726,694.90 = 284,874.17 : x
  2. Step 2: Convert to fraction form
    526,591.65/726,694.90 = 284,874.17/x
  3. Step 3: Cross multiply
    526,591.65x = 726,694.90 × 284,874.17
  4. Step 4: Simplify right side
    526,591.65x = 207,016,607,585.29
  5. Step 5: Solve for x
    x = 207,016,607,585.29/526,591.65
  6. Step 6: Final answer
    x = 393,125.50

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1.5x scale

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.