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Finding the Fourth Proportional to 218,539.20, 327,225.60 and 218,539.20

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Solution

The fourth proportional to 218,539.20, 327,225.60 and 218,539.20 is: 327,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,539.20 : 327,225.60 = 218,539.20 : x
  2. Step 2: Convert to fraction form
    218,539.20/327,225.60 = 218,539.20/x
  3. Step 3: Cross multiply
    218,539.20x = 327,225.60 × 218,539.20
  4. Step 4: Simplify right side
    218,539.20x = 71,511,620,843.52
  5. Step 5: Solve for x
    x = 71,511,620,843.52/218,539.20
  6. Step 6: Final answer
    x = 327,225.60

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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.