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Finding the Fourth Proportional to 252.62, 348.63 and 235.34

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Solution

The fourth proportional to 252.62, 348.63 and 235.34 is: 324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.62 : 348.63 = 235.34 : x
  2. Step 2: Convert to fraction form
    252.62/348.63 = 235.34/x
  3. Step 3: Cross multiply
    252.62x = 348.63 × 235.34
  4. Step 4: Simplify right side
    252.62x = 82,046.58
  5. Step 5: Solve for x
    x = 82,046.58/252.62
  6. Step 6: Final answer
    x = 324.78

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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.