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Finding the Fourth Proportional to 227,131.80, 340,697.70 and 225,576.60

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Solution

The fourth proportional to 227,131.80, 340,697.70 and 225,576.60 is: 338,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,131.80 : 340,697.70 = 225,576.60 : x
  2. Step 2: Convert to fraction form
    227,131.80/340,697.70 = 225,576.60/x
  3. Step 3: Cross multiply
    227,131.80x = 340,697.70 × 225,576.60
  4. Step 4: Simplify right side
    227,131.80x = 76,853,428,793.82
  5. Step 5: Solve for x
    x = 76,853,428,793.82/227,131.80
  6. Step 6: Final answer
    x = 338,364.90

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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.