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Finding the Fourth Proportional to 747.33, 1,031.37 and 432.68

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Solution

The fourth proportional to 747.33, 1,031.37 and 432.68 is: 597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747.33 : 1,031.37 = 432.68 : x
  2. Step 2: Convert to fraction form
    747.33/1,031.37 = 432.68/x
  3. Step 3: Cross multiply
    747.33x = 1,031.37 × 432.68
  4. Step 4: Simplify right side
    747.33x = 446,246.39
  5. Step 5: Solve for x
    x = 446,246.39/747.33
  6. Step 6: Final answer
    x = 597.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.