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Finding the Fourth Proportional to 445,335.10, 667,113.27 and 267,745.84

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Solution

The fourth proportional to 445,335.10, 667,113.27 and 267,745.84 is: 401,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,335.10 : 667,113.27 = 267,745.84 : x
  2. Step 2: Convert to fraction form
    445,335.10/667,113.27 = 267,745.84/x
  3. Step 3: Cross multiply
    445,335.10x = 667,113.27 × 267,745.84
  4. Step 4: Simplify right side
    445,335.10x = 178,616,802,851.30
  5. Step 5: Solve for x
    x = 178,616,802,851.30/445,335.10
  6. Step 6: Final answer
    x = 401,084.04

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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.