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Finding the Fourth Proportional to 562.46, 847.14 and 476.39

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Solution

The fourth proportional to 562.46, 847.14 and 476.39 is: 717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.46 : 847.14 = 476.39 : x
  2. Step 2: Convert to fraction form
    562.46/847.14 = 476.39/x
  3. Step 3: Cross multiply
    562.46x = 847.14 × 476.39
  4. Step 4: Simplify right side
    562.46x = 403,569.36
  5. Step 5: Solve for x
    x = 403,569.36/562.46
  6. Step 6: Final answer
    x = 717.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.