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Finding the Fourth Proportional to 224,517.60, 335,998.80 and 205,855.20

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Solution

The fourth proportional to 224,517.60, 335,998.80 and 205,855.20 is: 308,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,517.60 : 335,998.80 = 205,855.20 : x
  2. Step 2: Convert to fraction form
    224,517.60/335,998.80 = 205,855.20/x
  3. Step 3: Cross multiply
    224,517.60x = 335,998.80 × 205,855.20
  4. Step 4: Simplify right side
    224,517.60x = 69,167,100,173.76
  5. Step 5: Solve for x
    x = 69,167,100,173.76/224,517.60
  6. Step 6: Final answer
    x = 308,069.84

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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.