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Finding the Fourth Proportional to 580,481.57, 870,691.61 and 181,076.58

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Solution

The fourth proportional to 580,481.57, 870,691.61 and 181,076.58 is: 271,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,481.57 : 870,691.61 = 181,076.58 : x
  2. Step 2: Convert to fraction form
    580,481.57/870,691.61 = 181,076.58/x
  3. Step 3: Cross multiply
    580,481.57x = 870,691.61 × 181,076.58
  4. Step 4: Simplify right side
    580,481.57x = 157,661,859,426.19
  5. Step 5: Solve for x
    x = 157,661,859,426.19/580,481.57
  6. Step 6: Final answer
    x = 271,605.28

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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.