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Finding the Fourth Proportional to 275,001.20, 412,540.20 and 117,228.40

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Solution

The fourth proportional to 275,001.20, 412,540.20 and 117,228.40 is: 175,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,001.20 : 412,540.20 = 117,228.40 : x
  2. Step 2: Convert to fraction form
    275,001.20/412,540.20 = 117,228.40/x
  3. Step 3: Cross multiply
    275,001.20x = 412,540.20 × 117,228.40
  4. Step 4: Simplify right side
    275,001.20x = 48,361,427,581.68
  5. Step 5: Solve for x
    x = 48,361,427,581.68/275,001.20
  6. Step 6: Final answer
    x = 175,858.97

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1.5x scale

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.