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Finding the Fourth Proportional to 244,354.20, 367,515.45 and 218,766.30

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Solution

The fourth proportional to 244,354.20, 367,515.45 and 218,766.30 is: 329,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,354.20 : 367,515.45 = 218,766.30 : x
  2. Step 2: Convert to fraction form
    244,354.20/367,515.45 = 218,766.30/x
  3. Step 3: Cross multiply
    244,354.20x = 367,515.45 × 218,766.30
  4. Step 4: Simplify right side
    244,354.20x = 80,399,995,189.34
  5. Step 5: Solve for x
    x = 80,399,995,189.34/244,354.20
  6. Step 6: Final answer
    x = 329,030.54

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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.