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Finding the Fourth Proportional to 444,966.28, 667,443.72 and 108,009.52

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Solution

The fourth proportional to 444,966.28, 667,443.72 and 108,009.52 is: 162,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,966.28 : 667,443.72 = 108,009.52 : x
  2. Step 2: Convert to fraction form
    444,966.28/667,443.72 = 108,009.52/x
  3. Step 3: Cross multiply
    444,966.28x = 667,443.72 × 108,009.52
  4. Step 4: Simplify right side
    444,966.28x = 72,090,275,824.21
  5. Step 5: Solve for x
    x = 72,090,275,824.21/444,966.28
  6. Step 6: Final answer
    x = 162,012.90

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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.