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Finding the Fourth Proportional to 327,204.42, 490,817.61 and 90,527.28

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Solution

The fourth proportional to 327,204.42, 490,817.61 and 90,527.28 is: 135,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,204.42 : 490,817.61 = 90,527.28 : x
  2. Step 2: Convert to fraction form
    327,204.42/490,817.61 = 90,527.28/x
  3. Step 3: Cross multiply
    327,204.42x = 490,817.61 × 90,527.28
  4. Step 4: Simplify right side
    327,204.42x = 44,432,383,209.40
  5. Step 5: Solve for x
    x = 44,432,383,209.40/327,204.42
  6. Step 6: Final answer
    x = 135,793.96

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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.