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Finding the Fourth Proportional to 444,443.40, 666,665.10 and 267,150.60

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Solution

The fourth proportional to 444,443.40, 666,665.10 and 267,150.60 is: 400,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,443.40 : 666,665.10 = 267,150.60 : x
  2. Step 2: Convert to fraction form
    444,443.40/666,665.10 = 267,150.60/x
  3. Step 3: Cross multiply
    444,443.40x = 666,665.10 × 267,150.60
  4. Step 4: Simplify right side
    444,443.40x = 178,099,981,464.06
  5. Step 5: Solve for x
    x = 178,099,981,464.06/444,443.40
  6. Step 6: Final answer
    x = 400,725.90

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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.