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Finding the Fourth Proportional to 444,620.85, 667,000.89 and 145,032.18

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Solution

The fourth proportional to 444,620.85, 667,000.89 and 145,032.18 is: 217,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,620.85 : 667,000.89 = 145,032.18 : x
  2. Step 2: Convert to fraction form
    444,620.85/667,000.89 = 145,032.18/x
  3. Step 3: Cross multiply
    444,620.85x = 667,000.89 × 145,032.18
  4. Step 4: Simplify right side
    444,620.85x = 96,736,593,138.64
  5. Step 5: Solve for x
    x = 96,736,593,138.64/444,620.85
  6. Step 6: Final answer
    x = 217,570.98

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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.