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Finding the Fourth Proportional to 444,815.60, 667,223.40 and 267,231.20

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Solution

The fourth proportional to 444,815.60, 667,223.40 and 267,231.20 is: 400,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,815.60 : 667,223.40 = 267,231.20 : x
  2. Step 2: Convert to fraction form
    444,815.60/667,223.40 = 267,231.20/x
  3. Step 3: Cross multiply
    444,815.60x = 667,223.40 × 267,231.20
  4. Step 4: Simplify right side
    444,815.60x = 178,302,909,850.08
  5. Step 5: Solve for x
    x = 178,302,909,850.08/444,815.60
  6. Step 6: Final answer
    x = 400,846.80

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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.