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Finding the Fourth Proportional to 532,654.40, 798,981.60 and 461,115.20

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Solution

The fourth proportional to 532,654.40, 798,981.60 and 461,115.20 is: 691,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,654.40 : 798,981.60 = 461,115.20 : x
  2. Step 2: Convert to fraction form
    532,654.40/798,981.60 = 461,115.20/x
  3. Step 3: Cross multiply
    532,654.40x = 798,981.60 × 461,115.20
  4. Step 4: Simplify right side
    532,654.40x = 368,422,560,280.32
  5. Step 5: Solve for x
    x = 368,422,560,280.32/532,654.40
  6. Step 6: Final answer
    x = 691,672.80

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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.