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Finding the Fourth Proportional to 449,761.46, 674,645.13 and 179,912.16

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Solution

The fourth proportional to 449,761.46, 674,645.13 and 179,912.16 is: 269,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,761.46 : 674,645.13 = 179,912.16 : x
  2. Step 2: Convert to fraction form
    449,761.46/674,645.13 = 179,912.16/x
  3. Step 3: Cross multiply
    449,761.46x = 674,645.13 × 179,912.16
  4. Step 4: Simplify right side
    449,761.46x = 121,376,862,571.78
  5. Step 5: Solve for x
    x = 121,376,862,571.78/449,761.46
  6. Step 6: Final answer
    x = 269,869.42

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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.