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Finding the Fourth Proportional to 449,672.80, 674,431.44 and 169,192.48

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Solution

The fourth proportional to 449,672.80, 674,431.44 and 169,192.48 is: 253,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,672.80 : 674,431.44 = 169,192.48 : x
  2. Step 2: Convert to fraction form
    449,672.80/674,431.44 = 169,192.48/x
  3. Step 3: Cross multiply
    449,672.80x = 674,431.44 × 169,192.48
  4. Step 4: Simplify right side
    449,672.80x = 114,108,727,923.57
  5. Step 5: Solve for x
    x = 114,108,727,923.57/449,672.80
  6. Step 6: Final answer
    x = 253,759.46

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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.