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Finding the Fourth Proportional to 351.47, 527.24 and 146.14

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Solution

The fourth proportional to 351.47, 527.24 and 146.14 is: 219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.47 : 527.24 = 146.14 : x
  2. Step 2: Convert to fraction form
    351.47/527.24 = 146.14/x
  3. Step 3: Cross multiply
    351.47x = 527.24 × 146.14
  4. Step 4: Simplify right side
    351.47x = 77,049.90
  5. Step 5: Solve for x
    x = 77,049.90/351.47
  6. Step 6: Final answer
    x = 219.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.