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Finding the Fourth Proportional to 617.32, 925.17 and 292

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Solution

The fourth proportional to 617.32, 925.17 and 292 is: 437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.32 : 925.17 = 292 : x
  2. Step 2: Convert to fraction form
    617.32/925.17 = 292/x
  3. Step 3: Cross multiply
    617.32x = 925.17 × 292
  4. Step 4: Simplify right side
    617.32x = 270,149.64
  5. Step 5: Solve for x
    x = 270,149.64/617.32
  6. Step 6: Final answer
    x = 437.62

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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.