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Finding the Fourth Proportional to 737, 1,017.24 and 426.68

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Solution

The fourth proportional to 737, 1,017.24 and 426.68 is: 588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    737 : 1,017.24 = 426.68 : x
  2. Step 2: Convert to fraction form
    737/1,017.24 = 426.68/x
  3. Step 3: Cross multiply
    737x = 1,017.24 × 426.68
  4. Step 4: Simplify right side
    737x = 434,035.96
  5. Step 5: Solve for x
    x = 434,035.96/737
  6. Step 6: Final answer
    x = 588.92

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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.