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Finding the Fourth Proportional to 532.17, 734.40 and 292.88

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Solution

The fourth proportional to 532.17, 734.40 and 292.88 is: 404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.17 : 734.40 = 292.88 : x
  2. Step 2: Convert to fraction form
    532.17/734.40 = 292.88/x
  3. Step 3: Cross multiply
    532.17x = 734.40 × 292.88
  4. Step 4: Simplify right side
    532.17x = 215,092.91
  5. Step 5: Solve for x
    x = 215,092.91/532.17
  6. Step 6: Final answer
    x = 404.18

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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.