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Finding the Fourth Proportional to 227,699.20, 340,892.70 and 204,079.60

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Solution

The fourth proportional to 227,699.20, 340,892.70 and 204,079.60 is: 305,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,699.20 : 340,892.70 = 204,079.60 : x
  2. Step 2: Convert to fraction form
    227,699.20/340,892.70 = 204,079.60/x
  3. Step 3: Cross multiply
    227,699.20x = 340,892.70 × 204,079.60
  4. Step 4: Simplify right side
    227,699.20x = 69,569,245,858.92
  5. Step 5: Solve for x
    x = 69,569,245,858.92/227,699.20
  6. Step 6: Final answer
    x = 305,531.36

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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.