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Finding the Fourth Proportional to 638,761.14, 957,863.56 and 183,251.87

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Solution

The fourth proportional to 638,761.14, 957,863.56 and 183,251.87 is: 274,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,761.14 : 957,863.56 = 183,251.87 : x
  2. Step 2: Convert to fraction form
    638,761.14/957,863.56 = 183,251.87/x
  3. Step 3: Cross multiply
    638,761.14x = 957,863.56 × 183,251.87
  4. Step 4: Simplify right side
    638,761.14x = 175,530,288,574.86
  5. Step 5: Solve for x
    x = 175,530,288,574.86/638,761.14
  6. Step 6: Final answer
    x = 274,798.01

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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.