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Finding the Fourth Proportional to 449,530.29, 674,321.42 and 169,049.97

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Solution

The fourth proportional to 449,530.29, 674,321.42 and 169,049.97 is: 253,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,530.29 : 674,321.42 = 169,049.97 : x
  2. Step 2: Convert to fraction form
    449,530.29/674,321.42 = 169,049.97/x
  3. Step 3: Cross multiply
    449,530.29x = 674,321.42 × 169,049.97
  4. Step 4: Simplify right side
    449,530.29x = 113,994,016,243.98
  5. Step 5: Solve for x
    x = 113,994,016,243.98/449,530.29
  6. Step 6: Final answer
    x = 253,584.73

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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.