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Finding the Fourth Proportional to 574,335.16, 861,502.54 and 153,600.10

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Solution

The fourth proportional to 574,335.16, 861,502.54 and 153,600.10 is: 230,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,335.16 : 861,502.54 = 153,600.10 : x
  2. Step 2: Convert to fraction form
    574,335.16/861,502.54 = 153,600.10/x
  3. Step 3: Cross multiply
    574,335.16x = 861,502.54 × 153,600.10
  4. Step 4: Simplify right side
    574,335.16x = 132,326,876,294.25
  5. Step 5: Solve for x
    x = 132,326,876,294.25/574,335.16
  6. Step 6: Final answer
    x = 230,400.10

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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.