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Finding the Fourth Proportional to 444,722.40, 667,208.31 and 178,669.74

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Solution

The fourth proportional to 444,722.40, 667,208.31 and 178,669.74 is: 268,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,722.40 : 667,208.31 = 178,669.74 : x
  2. Step 2: Convert to fraction form
    444,722.40/667,208.31 = 178,669.74/x
  3. Step 3: Cross multiply
    444,722.40x = 667,208.31 × 178,669.74
  4. Step 4: Simplify right side
    444,722.40x = 119,209,935,273.54
  5. Step 5: Solve for x
    x = 119,209,935,273.54/444,722.40
  6. Step 6: Final answer
    x = 268,054.71

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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.