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Finding the Fourth Proportional to 449,510.40, 674,173.26 and 133,882.56

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Solution

The fourth proportional to 449,510.40, 674,173.26 and 133,882.56 is: 200,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,510.40 : 674,173.26 = 133,882.56 : x
  2. Step 2: Convert to fraction form
    449,510.40/674,173.26 = 133,882.56/x
  3. Step 3: Cross multiply
    449,510.40x = 674,173.26 × 133,882.56
  4. Step 4: Simplify right side
    449,510.40x = 90,260,041,932.35
  5. Step 5: Solve for x
    x = 90,260,041,932.35/449,510.40
  6. Step 6: Final answer
    x = 200,796.34

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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.