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Finding the Fourth Proportional to 574,339.48, 861,508.98 and 153,604.42

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Solution

The fourth proportional to 574,339.48, 861,508.98 and 153,604.42 is: 230,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,339.48 : 861,508.98 = 153,604.42 : x
  2. Step 2: Convert to fraction form
    574,339.48/861,508.98 = 153,604.42/x
  3. Step 3: Cross multiply
    574,339.48x = 861,508.98 × 153,604.42
  4. Step 4: Simplify right side
    574,339.48x = 132,331,585,043.92
  5. Step 5: Solve for x
    x = 132,331,585,043.92/574,339.48
  6. Step 6: Final answer
    x = 230,406.56

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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.