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Finding the Fourth Proportional to 574,906.52, 862,293.72 and 154,149.32

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Solution

The fourth proportional to 574,906.52, 862,293.72 and 154,149.32 is: 231,206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,906.52 : 862,293.72 = 154,149.32 : x
  2. Step 2: Convert to fraction form
    574,906.52/862,293.72 = 154,149.32/x
  3. Step 3: Cross multiply
    574,906.52x = 862,293.72 × 154,149.32
  4. Step 4: Simplify right side
    574,906.52x = 132,921,990,578.27
  5. Step 5: Solve for x
    x = 132,921,990,578.27/574,906.52
  6. Step 6: Final answer
    x = 231,206.27

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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.