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Finding the Fourth Proportional to 269,372.97, 371,348.30 and 211,912.41

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Solution

The fourth proportional to 269,372.97, 371,348.30 and 211,912.41 is: 292,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,372.97 : 371,348.30 = 211,912.41 : x
  2. Step 2: Convert to fraction form
    269,372.97/371,348.30 = 211,912.41/x
  3. Step 3: Cross multiply
    269,372.97x = 371,348.30 × 211,912.41
  4. Step 4: Simplify right side
    269,372.97x = 78,693,313,202.40
  5. Step 5: Solve for x
    x = 78,693,313,202.40/269,372.97
  6. Step 6: Final answer
    x = 292,135.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.