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Finding the Fourth Proportional to 562.80, 847.58 and 476.71

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Solution

The fourth proportional to 562.80, 847.58 and 476.71 is: 717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.80 : 847.58 = 476.71 : x
  2. Step 2: Convert to fraction form
    562.80/847.58 = 476.71/x
  3. Step 3: Cross multiply
    562.80x = 847.58 × 476.71
  4. Step 4: Simplify right side
    562.80x = 404,049.86
  5. Step 5: Solve for x
    x = 404,049.86/562.80
  6. Step 6: Final answer
    x = 717.93

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