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Finding the Fourth Proportional to 546.48, 754.56 and 545.04

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Solution

The fourth proportional to 546.48, 754.56 and 545.04 is: 752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.48 : 754.56 = 545.04 : x
  2. Step 2: Convert to fraction form
    546.48/754.56 = 545.04/x
  3. Step 3: Cross multiply
    546.48x = 754.56 × 545.04
  4. Step 4: Simplify right side
    546.48x = 411,265.38
  5. Step 5: Solve for x
    x = 411,265.38/546.48
  6. Step 6: Final answer
    x = 752.57

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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.