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Finding the Fourth Proportional to 546.39, 749.57 and 532.04

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Solution

The fourth proportional to 546.39, 749.57 and 532.04 is: 729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.39 : 749.57 = 532.04 : x
  2. Step 2: Convert to fraction form
    546.39/749.57 = 532.04/x
  3. Step 3: Cross multiply
    546.39x = 749.57 × 532.04
  4. Step 4: Simplify right side
    546.39x = 398,794.81
  5. Step 5: Solve for x
    x = 398,794.81/546.39
  6. Step 6: Final answer
    x = 729.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.