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Finding the Fourth Proportional to 221,540.60, 332,310.90 and 197,046.20

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Solution

The fourth proportional to 221,540.60, 332,310.90 and 197,046.20 is: 295,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,540.60 : 332,310.90 = 197,046.20 : x
  2. Step 2: Convert to fraction form
    221,540.60/332,310.90 = 197,046.20/x
  3. Step 3: Cross multiply
    221,540.60x = 332,310.90 × 197,046.20
  4. Step 4: Simplify right side
    221,540.60x = 65,480,600,063.58
  5. Step 5: Solve for x
    x = 65,480,600,063.58/221,540.60
  6. Step 6: Final answer
    x = 295,569.30

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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.