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Finding the Fourth Proportional to 444,947.31, 667,452.15 and 178,708.05

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Solution

The fourth proportional to 444,947.31, 667,452.15 and 178,708.05 is: 268,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,947.31 : 667,452.15 = 178,708.05 : x
  2. Step 2: Convert to fraction form
    444,947.31/667,452.15 = 178,708.05/x
  3. Step 3: Cross multiply
    444,947.31x = 667,452.15 × 178,708.05
  4. Step 4: Simplify right side
    444,947.31x = 119,279,072,194.81
  5. Step 5: Solve for x
    x = 119,279,072,194.81/444,947.31
  6. Step 6: Final answer
    x = 268,074.60

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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.