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Finding the Fourth Proportional to 449,516.60, 674,373.36 and 169,033.86

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Solution

The fourth proportional to 449,516.60, 674,373.36 and 169,033.86 is: 253,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,516.60 : 674,373.36 = 169,033.86 : x
  2. Step 2: Convert to fraction form
    449,516.60/674,373.36 = 169,033.86/x
  3. Step 3: Cross multiply
    449,516.60x = 674,373.36 × 169,033.86
  4. Step 4: Simplify right side
    449,516.60x = 113,991,932,121.97
  5. Step 5: Solve for x
    x = 113,991,932,121.97/449,516.60
  6. Step 6: Final answer
    x = 253,587.81

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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.