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Finding the Fourth Proportional to 888,183.56, 1,225,691.19 and 500,997.69

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Solution

The fourth proportional to 888,183.56, 1,225,691.19 and 500,997.69 is: 691,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,183.56 : 1,225,691.19 = 500,997.69 : x
  2. Step 2: Convert to fraction form
    888,183.56/1,225,691.19 = 500,997.69/x
  3. Step 3: Cross multiply
    888,183.56x = 1,225,691.19 × 500,997.69
  4. Step 4: Simplify right side
    888,183.56x = 614,068,454,843.35
  5. Step 5: Solve for x
    x = 614,068,454,843.35/888,183.56
  6. Step 6: Final answer
    x = 691,375.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.