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Finding the Fourth Proportional to 546,372.78, 754,470.30 and 342,773.71

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Solution

The fourth proportional to 546,372.78, 754,470.30 and 342,773.71 is: 473,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,372.78 : 754,470.30 = 342,773.71 : x
  2. Step 2: Convert to fraction form
    546,372.78/754,470.30 = 342,773.71/x
  3. Step 3: Cross multiply
    546,372.78x = 754,470.30 × 342,773.71
  4. Step 4: Simplify right side
    546,372.78x = 258,612,581,286.94
  5. Step 5: Solve for x
    x = 258,612,581,286.94/546,372.78
  6. Step 6: Final answer
    x = 473,326.26

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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.