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Finding the Fourth Proportional to 240,512.76, 331,847.88 and 155,527.56

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Solution

The fourth proportional to 240,512.76, 331,847.88 and 155,527.56 is: 214,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,512.76 : 331,847.88 = 155,527.56 : x
  2. Step 2: Convert to fraction form
    240,512.76/331,847.88 = 155,527.56/x
  3. Step 3: Cross multiply
    240,512.76x = 331,847.88 × 155,527.56
  4. Step 4: Simplify right side
    240,512.76x = 51,611,491,067.57
  5. Step 5: Solve for x
    x = 51,611,491,067.57/240,512.76
  6. Step 6: Final answer
    x = 214,589.41

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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.