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Finding the Fourth Proportional to 546,527.40, 819,791.10 and 396,061.80

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Solution

The fourth proportional to 546,527.40, 819,791.10 and 396,061.80 is: 594,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,527.40 : 819,791.10 = 396,061.80 : x
  2. Step 2: Convert to fraction form
    546,527.40/819,791.10 = 396,061.80/x
  3. Step 3: Cross multiply
    546,527.40x = 819,791.10 × 396,061.80
  4. Step 4: Simplify right side
    546,527.40x = 324,687,938,689.98
  5. Step 5: Solve for x
    x = 324,687,938,689.98/546,527.40
  6. Step 6: Final answer
    x = 594,092.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.