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Finding the Fourth Proportional to 221,594.10, 332,391.15 and 197,099.70

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Solution

The fourth proportional to 221,594.10, 332,391.15 and 197,099.70 is: 295,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,594.10 : 332,391.15 = 197,099.70 : x
  2. Step 2: Convert to fraction form
    221,594.10/332,391.15 = 197,099.70/x
  3. Step 3: Cross multiply
    221,594.10x = 332,391.15 × 197,099.70
  4. Step 4: Simplify right side
    221,594.10x = 65,514,195,947.66
  5. Step 5: Solve for x
    x = 65,514,195,947.66/221,594.10
  6. Step 6: Final answer
    x = 295,649.55

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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.