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Finding the Fourth Proportional to 252.14, 348.17 and 235.13

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Solution

The fourth proportional to 252.14, 348.17 and 235.13 is: 324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.14 : 348.17 = 235.13 : x
  2. Step 2: Convert to fraction form
    252.14/348.17 = 235.13/x
  3. Step 3: Cross multiply
    252.14x = 348.17 × 235.13
  4. Step 4: Simplify right side
    252.14x = 81,862.30
  5. Step 5: Solve for x
    x = 81,862.30/252.14
  6. Step 6: Final answer
    x = 324.68

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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.