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Finding the Fourth Proportional to 449,608.20, 674,350.74 and 150,081.95

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Solution

The fourth proportional to 449,608.20, 674,350.74 and 150,081.95 is: 225,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,608.20 : 674,350.74 = 150,081.95 : x
  2. Step 2: Convert to fraction form
    449,608.20/674,350.74 = 150,081.95/x
  3. Step 3: Cross multiply
    449,608.20x = 674,350.74 × 150,081.95
  4. Step 4: Simplify right side
    449,608.20x = 101,207,870,671.39
  5. Step 5: Solve for x
    x = 101,207,870,671.39/449,608.20
  6. Step 6: Final answer
    x = 225,102.37

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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.