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Finding the Fourth Proportional to 546.38, 753.87 and 360.17

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Solution

The fourth proportional to 546.38, 753.87 and 360.17 is: 496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.38 : 753.87 = 360.17 : x
  2. Step 2: Convert to fraction form
    546.38/753.87 = 360.17/x
  3. Step 3: Cross multiply
    546.38x = 753.87 × 360.17
  4. Step 4: Simplify right side
    546.38x = 271,517.59
  5. Step 5: Solve for x
    x = 271,517.59/546.38
  6. Step 6: Final answer
    x = 496.94

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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.