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Finding the Fourth Proportional to 546,534.20, 819,801.30 and 504,543.80

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Solution

The fourth proportional to 546,534.20, 819,801.30 and 504,543.80 is: 756,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,534.20 : 819,801.30 = 504,543.80 : x
  2. Step 2: Convert to fraction form
    546,534.20/819,801.30 = 504,543.80/x
  3. Step 3: Cross multiply
    546,534.20x = 819,801.30 × 504,543.80
  4. Step 4: Simplify right side
    546,534.20x = 413,625,663,146.94
  5. Step 5: Solve for x
    x = 413,625,663,146.94/546,534.20
  6. Step 6: Final answer
    x = 756,815.70

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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.