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Finding the Fourth Proportional to 240,958.56, 332,531.40 and 145,446.60

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Solution

The fourth proportional to 240,958.56, 332,531.40 and 145,446.60 is: 200,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,958.56 : 332,531.40 = 145,446.60 : x
  2. Step 2: Convert to fraction form
    240,958.56/332,531.40 = 145,446.60/x
  3. Step 3: Cross multiply
    240,958.56x = 332,531.40 × 145,446.60
  4. Step 4: Simplify right side
    240,958.56x = 48,365,561,523.24
  5. Step 5: Solve for x
    x = 48,365,561,523.24/240,958.56
  6. Step 6: Final answer
    x = 200,721.49

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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.