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Finding the Fourth Proportional to 543,937.60, 815,906.40 and 532,273.60

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Solution

The fourth proportional to 543,937.60, 815,906.40 and 532,273.60 is: 798,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,937.60 : 815,906.40 = 532,273.60 : x
  2. Step 2: Convert to fraction form
    543,937.60/815,906.40 = 532,273.60/x
  3. Step 3: Cross multiply
    543,937.60x = 815,906.40 × 532,273.60
  4. Step 4: Simplify right side
    543,937.60x = 434,285,436,791.04
  5. Step 5: Solve for x
    x = 434,285,436,791.04/543,937.60
  6. Step 6: Final answer
    x = 798,410.40

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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.