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Finding the Fourth Proportional to 323,422.36, 485,227.14 and 133,847.73

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Solution

The fourth proportional to 323,422.36, 485,227.14 and 133,847.73 is: 200,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,422.36 : 485,227.14 = 133,847.73 : x
  2. Step 2: Convert to fraction form
    323,422.36/485,227.14 = 133,847.73/x
  3. Step 3: Cross multiply
    323,422.36x = 485,227.14 × 133,847.73
  4. Step 4: Simplify right side
    323,422.36x = 64,946,551,223.39
  5. Step 5: Solve for x
    x = 64,946,551,223.39/323,422.36
  6. Step 6: Final answer
    x = 200,810.33

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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.