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Finding the Fourth Proportional to 444,766.21, 667,190.32 and 145,248.36

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Solution

The fourth proportional to 444,766.21, 667,190.32 and 145,248.36 is: 217,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,766.21 : 667,190.32 = 145,248.36 : x
  2. Step 2: Convert to fraction form
    444,766.21/667,190.32 = 145,248.36/x
  3. Step 3: Cross multiply
    444,766.21x = 667,190.32 × 145,248.36
  4. Step 4: Simplify right side
    444,766.21x = 96,908,296,451.92
  5. Step 5: Solve for x
    x = 96,908,296,451.92/444,766.21
  6. Step 6: Final answer
    x = 217,885.93

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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.