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Finding the Fourth Proportional to 516,195.92, 774,515.64 and 267,052.88

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Solution

The fourth proportional to 516,195.92, 774,515.64 and 267,052.88 is: 400,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,195.92 : 774,515.64 = 267,052.88 : x
  2. Step 2: Convert to fraction form
    516,195.92/774,515.64 = 267,052.88/x
  3. Step 3: Cross multiply
    516,195.92x = 774,515.64 × 267,052.88
  4. Step 4: Simplify right side
    516,195.92x = 206,836,632,267.04
  5. Step 5: Solve for x
    x = 206,836,632,267.04/516,195.92
  6. Step 6: Final answer
    x = 400,694.05

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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.