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Finding the Fourth Proportional to 449,049.90, 673,217.04 and 259,294.82

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Solution

The fourth proportional to 449,049.90, 673,217.04 and 259,294.82 is: 388,735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,049.90 : 673,217.04 = 259,294.82 : x
  2. Step 2: Convert to fraction form
    449,049.90/673,217.04 = 259,294.82/x
  3. Step 3: Cross multiply
    449,049.90x = 673,217.04 × 259,294.82
  4. Step 4: Simplify right side
    449,049.90x = 174,561,691,207.73
  5. Step 5: Solve for x
    x = 174,561,691,207.73/449,049.90
  6. Step 6: Final answer
    x = 388,735.62

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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.