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Finding the Fourth Proportional to 492,148.60, 738,222.90 and 267,616.60

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Solution

The fourth proportional to 492,148.60, 738,222.90 and 267,616.60 is: 401,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,148.60 : 738,222.90 = 267,616.60 : x
  2. Step 2: Convert to fraction form
    492,148.60/738,222.90 = 267,616.60/x
  3. Step 3: Cross multiply
    492,148.60x = 738,222.90 × 267,616.60
  4. Step 4: Simplify right side
    492,148.60x = 197,560,702,540.14
  5. Step 5: Solve for x
    x = 197,560,702,540.14/492,148.60
  6. Step 6: Final answer
    x = 401,424.90

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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.