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Finding the Fourth Proportional to 451,137.95, 676,654.23 and 181,255.16

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Solution

The fourth proportional to 451,137.95, 676,654.23 and 181,255.16 is: 271,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,137.95 : 676,654.23 = 181,255.16 : x
  2. Step 2: Convert to fraction form
    451,137.95/676,654.23 = 181,255.16/x
  3. Step 3: Cross multiply
    451,137.95x = 676,654.23 × 181,255.16
  4. Step 4: Simplify right side
    451,137.95x = 122,647,067,340.06
  5. Step 5: Solve for x
    x = 122,647,067,340.06/451,137.95
  6. Step 6: Final answer
    x = 271,861.56

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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.