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Finding the Fourth Proportional to 444,964.28, 667,440.72 and 108,007.52

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Solution

The fourth proportional to 444,964.28, 667,440.72 and 108,007.52 is: 162,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,964.28 : 667,440.72 = 108,007.52 : x
  2. Step 2: Convert to fraction form
    444,964.28/667,440.72 = 108,007.52/x
  3. Step 3: Cross multiply
    444,964.28x = 667,440.72 × 108,007.52
  4. Step 4: Simplify right side
    444,964.28x = 72,088,616,914.21
  5. Step 5: Solve for x
    x = 72,088,616,914.21/444,964.28
  6. Step 6: Final answer
    x = 162,009.90

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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.