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Finding the Fourth Proportional to 752.26, 1,127.95 and 232.12

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Solution

The fourth proportional to 752.26, 1,127.95 and 232.12 is: 348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.26 : 1,127.95 = 232.12 : x
  2. Step 2: Convert to fraction form
    752.26/1,127.95 = 232.12/x
  3. Step 3: Cross multiply
    752.26x = 1,127.95 × 232.12
  4. Step 4: Simplify right side
    752.26x = 261,818.71
  5. Step 5: Solve for x
    x = 261,818.71/752.26
  6. Step 6: Final answer
    x = 348.04

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Why These Related Problems?

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