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Finding the Fourth Proportional to 697.97, 962.17 and 531.90

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Solution

The fourth proportional to 697.97, 962.17 and 531.90 is: 733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.97 : 962.17 = 531.90 : x
  2. Step 2: Convert to fraction form
    697.97/962.17 = 531.90/x
  3. Step 3: Cross multiply
    697.97x = 962.17 × 531.90
  4. Step 4: Simplify right side
    697.97x = 511,773.41
  5. Step 5: Solve for x
    x = 511,773.41/697.97
  6. Step 6: Final answer
    x = 733.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.