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Finding the Fourth Proportional to 218,188.89, 327,246.26 and 60,380.46

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Solution

The fourth proportional to 218,188.89, 327,246.26 and 60,380.46 is: 90,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,188.89 : 327,246.26 = 60,380.46 : x
  2. Step 2: Convert to fraction form
    218,188.89/327,246.26 = 60,380.46/x
  3. Step 3: Cross multiply
    218,188.89x = 327,246.26 × 60,380.46
  4. Step 4: Simplify right side
    218,188.89x = 19,759,279,410.18
  5. Step 5: Solve for x
    x = 19,759,279,410.18/218,188.89
  6. Step 6: Final answer
    x = 90,560.43

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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.