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Finding the Fourth Proportional to 574,248.87, 861,452.10 and 195,067.80

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Solution

The fourth proportional to 574,248.87, 861,452.10 and 195,067.80 is: 292,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,248.87 : 861,452.10 = 195,067.80 : x
  2. Step 2: Convert to fraction form
    574,248.87/861,452.10 = 195,067.80/x
  3. Step 3: Cross multiply
    574,248.87x = 861,452.10 × 195,067.80
  4. Step 4: Simplify right side
    574,248.87x = 168,041,565,952.38
  5. Step 5: Solve for x
    x = 168,041,565,952.38/574,248.87
  6. Step 6: Final answer
    x = 292,628.47

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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.