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Finding the Fourth Proportional to 262,863.80, 394,209.30 and 96,630.20

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Solution

The fourth proportional to 262,863.80, 394,209.30 and 96,630.20 is: 144,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,863.80 : 394,209.30 = 96,630.20 : x
  2. Step 2: Convert to fraction form
    262,863.80/394,209.30 = 96,630.20/x
  3. Step 3: Cross multiply
    262,863.80x = 394,209.30 × 96,630.20
  4. Step 4: Simplify right side
    262,863.80x = 38,092,523,500.86
  5. Step 5: Solve for x
    x = 38,092,523,500.86/262,863.80
  6. Step 6: Final answer
    x = 144,913.54

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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.