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Finding the Fourth Proportional to 562.17, 775.89 and 429.17

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Solution

The fourth proportional to 562.17, 775.89 and 429.17 is: 592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.17 : 775.89 = 429.17 : x
  2. Step 2: Convert to fraction form
    562.17/775.89 = 429.17/x
  3. Step 3: Cross multiply
    562.17x = 775.89 × 429.17
  4. Step 4: Simplify right side
    562.17x = 332,985.70
  5. Step 5: Solve for x
    x = 332,985.70/562.17
  6. Step 6: Final answer
    x = 592.33

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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.