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Finding the Fourth Proportional to 227,033.40, 340,809.30 and 133,591.80

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Solution

The fourth proportional to 227,033.40, 340,809.30 and 133,591.80 is: 200,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,033.40 : 340,809.30 = 133,591.80 : x
  2. Step 2: Convert to fraction form
    227,033.40/340,809.30 = 133,591.80/x
  3. Step 3: Cross multiply
    227,033.40x = 340,809.30 × 133,591.80
  4. Step 4: Simplify right side
    227,033.40x = 45,529,327,843.74
  5. Step 5: Solve for x
    x = 45,529,327,843.74/227,033.40
  6. Step 6: Final answer
    x = 200,540.22

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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.