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Finding the Fourth Proportional to 269,984.70, 404,976.81 and 82,995.90

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Solution

The fourth proportional to 269,984.70, 404,976.81 and 82,995.90 is: 124,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,984.70 : 404,976.81 = 82,995.90 : x
  2. Step 2: Convert to fraction form
    269,984.70/404,976.81 = 82,995.90/x
  3. Step 3: Cross multiply
    269,984.70x = 404,976.81 × 82,995.90
  4. Step 4: Simplify right side
    269,984.70x = 33,611,414,825.08
  5. Step 5: Solve for x
    x = 33,611,414,825.08/269,984.70
  6. Step 6: Final answer
    x = 124,493.78

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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.