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Finding the Fourth Proportional to 580,183.62, 870,253.56 and 159,448.56

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Solution

The fourth proportional to 580,183.62, 870,253.56 and 159,448.56 is: 239,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,183.62 : 870,253.56 = 159,448.56 : x
  2. Step 2: Convert to fraction form
    580,183.62/870,253.56 = 159,448.56/x
  3. Step 3: Cross multiply
    580,183.62x = 870,253.56 × 159,448.56
  4. Step 4: Simplify right side
    580,183.62x = 138,760,676,976.87
  5. Step 5: Solve for x
    x = 138,760,676,976.87/580,183.62
  6. Step 6: Final answer
    x = 239,166.83

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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.