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Finding the Fourth Proportional to 444,965.48, 667,447.78 and 178,726.04

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Solution

The fourth proportional to 444,965.48, 667,447.78 and 178,726.04 is: 268,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,965.48 : 667,447.78 = 178,726.04 : x
  2. Step 2: Convert to fraction form
    444,965.48/667,447.78 = 178,726.04/x
  3. Step 3: Cross multiply
    444,965.48x = 667,447.78 × 178,726.04
  4. Step 4: Simplify right side
    444,965.48x = 119,290,298,626.19
  5. Step 5: Solve for x
    x = 119,290,298,626.19/444,965.48
  6. Step 6: Final answer
    x = 268,088.88

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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.