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Finding the Fourth Proportional to 737.52, 1,105.20 and 656.52

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Solution

The fourth proportional to 737.52, 1,105.20 and 656.52 is: 983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.52 : 1,105.20 = 656.52 : x
  2. Step 2: Convert to fraction form
    737.52/1,105.20 = 656.52/x
  3. Step 3: Cross multiply
    737.52x = 1,105.20 × 656.52
  4. Step 4: Simplify right side
    737.52x = 725,585.90
  5. Step 5: Solve for x
    x = 725,585.90/737.52
  6. Step 6: Final answer
    x = 983.82

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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.