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Finding the Fourth Proportional to 444,766.86, 667,191.31 and 145,249.00

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Solution

The fourth proportional to 444,766.86, 667,191.31 and 145,249.00 is: 217,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,766.86 : 667,191.31 = 145,249.00 : x
  2. Step 2: Convert to fraction form
    444,766.86/667,191.31 = 145,249.00/x
  3. Step 3: Cross multiply
    444,766.86x = 667,191.31 × 145,249.00
  4. Step 4: Simplify right side
    444,766.86x = 96,908,868,555.09
  5. Step 5: Solve for x
    x = 96,908,868,555.09/444,766.86
  6. Step 6: Final answer
    x = 217,886.89

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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.