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Finding the Fourth Proportional to 547.92, 757.08 and 432.36

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Solution

The fourth proportional to 547.92, 757.08 and 432.36 is: 597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.92 : 757.08 = 432.36 : x
  2. Step 2: Convert to fraction form
    547.92/757.08 = 432.36/x
  3. Step 3: Cross multiply
    547.92x = 757.08 × 432.36
  4. Step 4: Simplify right side
    547.92x = 327,331.11
  5. Step 5: Solve for x
    x = 327,331.11/547.92
  6. Step 6: Final answer
    x = 597.41

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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.