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Finding the Fourth Proportional to 221,594.60, 332,391.90 and 197,100.20

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Solution

The fourth proportional to 221,594.60, 332,391.90 and 197,100.20 is: 295,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,594.60 : 332,391.90 = 197,100.20 : x
  2. Step 2: Convert to fraction form
    221,594.60/332,391.90 = 197,100.20/x
  3. Step 3: Cross multiply
    221,594.60x = 332,391.90 × 197,100.20
  4. Step 4: Simplify right side
    221,594.60x = 65,514,509,968.38
  5. Step 5: Solve for x
    x = 65,514,509,968.38/221,594.60
  6. Step 6: Final answer
    x = 295,650.30

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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.