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Finding the Fourth Proportional to 576,654.20, 864,979.26 and 155,930.04

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Solution

The fourth proportional to 576,654.20, 864,979.26 and 155,930.04 is: 233,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,654.20 : 864,979.26 = 155,930.04 : x
  2. Step 2: Convert to fraction form
    576,654.20/864,979.26 = 155,930.04/x
  3. Step 3: Cross multiply
    576,654.20x = 864,979.26 × 155,930.04
  4. Step 4: Simplify right side
    576,654.20x = 134,876,250,610.97
  5. Step 5: Solve for x
    x = 134,876,250,610.97/576,654.20
  6. Step 6: Final answer
    x = 233,894.51

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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.