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Finding the Fourth Proportional to 574,489.60, 861,772.80 and 195,404.80

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Solution

The fourth proportional to 574,489.60, 861,772.80 and 195,404.80 is: 293,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,489.60 : 861,772.80 = 195,404.80 : x
  2. Step 2: Convert to fraction form
    574,489.60/861,772.80 = 195,404.80/x
  3. Step 3: Cross multiply
    574,489.60x = 861,772.80 × 195,404.80
  4. Step 4: Simplify right side
    574,489.60x = 168,394,541,629.44
  5. Step 5: Solve for x
    x = 168,394,541,629.44/574,489.60
  6. Step 6: Final answer
    x = 293,120.26

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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.