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Finding the Fourth Proportional to 218,537.20, 327,222.60 and 218,537.20

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Solution

The fourth proportional to 218,537.20, 327,222.60 and 218,537.20 is: 327,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,537.20 : 327,222.60 = 218,537.20 : x
  2. Step 2: Convert to fraction form
    218,537.20/327,222.60 = 218,537.20/x
  3. Step 3: Cross multiply
    218,537.20x = 327,222.60 × 218,537.20
  4. Step 4: Simplify right side
    218,537.20x = 71,510,310,780.72
  5. Step 5: Solve for x
    x = 71,510,310,780.72/218,537.20
  6. Step 6: Final answer
    x = 327,222.60

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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.