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Finding the Fourth Proportional to 241,781.70, 332,912.25 and 201,000.90

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Solution

The fourth proportional to 241,781.70, 332,912.25 and 201,000.90 is: 276,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,781.70 : 332,912.25 = 201,000.90 : x
  2. Step 2: Convert to fraction form
    241,781.70/332,912.25 = 201,000.90/x
  3. Step 3: Cross multiply
    241,781.70x = 332,912.25 × 201,000.90
  4. Step 4: Simplify right side
    241,781.70x = 66,915,661,871.03
  5. Step 5: Solve for x
    x = 66,915,661,871.03/241,781.70
  6. Step 6: Final answer
    x = 276,760.66

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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.