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Finding the Fourth Proportional to 449,512.80, 673,923.60 and 252,520.80

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Solution

The fourth proportional to 449,512.80, 673,923.60 and 252,520.80 is: 378,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,512.80 : 673,923.60 = 252,520.80 : x
  2. Step 2: Convert to fraction form
    449,512.80/673,923.60 = 252,520.80/x
  3. Step 3: Cross multiply
    449,512.80x = 673,923.60 × 252,520.80
  4. Step 4: Simplify right side
    449,512.80x = 170,179,726,610.88
  5. Step 5: Solve for x
    x = 170,179,726,610.88/449,512.80
  6. Step 6: Final answer
    x = 378,587.05

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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.