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Finding the Fourth Proportional to 275,493.20, 413,200.56 and 88,480.40

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Solution

The fourth proportional to 275,493.20, 413,200.56 and 88,480.40 is: 132,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,493.20 : 413,200.56 = 88,480.40 : x
  2. Step 2: Convert to fraction form
    275,493.20/413,200.56 = 88,480.40/x
  3. Step 3: Cross multiply
    275,493.20x = 413,200.56 × 88,480.40
  4. Step 4: Simplify right side
    275,493.20x = 36,560,150,829.02
  5. Step 5: Solve for x
    x = 36,560,150,829.02/275,493.20
  6. Step 6: Final answer
    x = 132,708.00

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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.