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Finding the Fourth Proportional to 752.18, 1,127.86 and 232.02

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Solution

The fourth proportional to 752.18, 1,127.86 and 232.02 is: 347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.18 : 1,127.86 = 232.02 : x
  2. Step 2: Convert to fraction form
    752.18/1,127.86 = 232.02/x
  3. Step 3: Cross multiply
    752.18x = 1,127.86 × 232.02
  4. Step 4: Simplify right side
    752.18x = 261,686.08
  5. Step 5: Solve for x
    x = 261,686.08/752.18
  6. Step 6: Final answer
    x = 347.90

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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.