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Finding the Fourth Proportional to 262,906.40, 394,651.20 and 204,003.20

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Solution

The fourth proportional to 262,906.40, 394,651.20 and 204,003.20 is: 306,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,906.40 : 394,651.20 = 204,003.20 : x
  2. Step 2: Convert to fraction form
    262,906.40/394,651.20 = 204,003.20/x
  3. Step 3: Cross multiply
    262,906.40x = 394,651.20 × 204,003.20
  4. Step 4: Simplify right side
    262,906.40x = 80,510,107,683.84
  5. Step 5: Solve for x
    x = 80,510,107,683.84/262,906.40
  6. Step 6: Final answer
    x = 306,231.07

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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.