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Finding the Fourth Proportional to 441,675.56, 661,205.50 and 272,652.42

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Solution

The fourth proportional to 441,675.56, 661,205.50 and 272,652.42 is: 408,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,675.56 : 661,205.50 = 272,652.42 : x
  2. Step 2: Convert to fraction form
    441,675.56/661,205.50 = 272,652.42/x
  3. Step 3: Cross multiply
    441,675.56x = 661,205.50 × 272,652.42
  4. Step 4: Simplify right side
    441,675.56x = 180,279,275,023.02
  5. Step 5: Solve for x
    x = 180,279,275,023.02/441,675.56
  6. Step 6: Final answer
    x = 408,171.27

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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.