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Finding the Fourth Proportional to 658,175.91, 987,264 and 237,451.65

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Solution

The fourth proportional to 658,175.91, 987,264 and 237,451.65 is: 356,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,175.91 : 987,264 = 237,451.65 : x
  2. Step 2: Convert to fraction form
    658,175.91/987,264 = 237,451.65/x
  3. Step 3: Cross multiply
    658,175.91x = 987,264 × 237,451.65
  4. Step 4: Simplify right side
    658,175.91x = 234,427,465,785.60
  5. Step 5: Solve for x
    x = 234,427,465,785.60/658,175.91
  6. Step 6: Final answer
    x = 356,177.52

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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.