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Finding the Fourth Proportional to 492,753.80, 738,620.40 and 267,638.60

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Solution

The fourth proportional to 492,753.80, 738,620.40 and 267,638.60 is: 401,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,753.80 : 738,620.40 = 267,638.60 : x
  2. Step 2: Convert to fraction form
    492,753.80/738,620.40 = 267,638.60/x
  3. Step 3: Cross multiply
    492,753.80x = 738,620.40 × 267,638.60
  4. Step 4: Simplify right side
    492,753.80x = 197,683,329,787.44
  5. Step 5: Solve for x
    x = 197,683,329,787.44/492,753.80
  6. Step 6: Final answer
    x = 401,180.73

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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.