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Finding the Fourth Proportional to 582,912.20, 874,757.10 and 267,206.60

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Solution

The fourth proportional to 582,912.20, 874,757.10 and 267,206.60 is: 400,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,912.20 : 874,757.10 = 267,206.60 : x
  2. Step 2: Convert to fraction form
    582,912.20/874,757.10 = 267,206.60/x
  3. Step 3: Cross multiply
    582,912.20x = 874,757.10 × 267,206.60
  4. Step 4: Simplify right side
    582,912.20x = 233,740,870,516.86
  5. Step 5: Solve for x
    x = 233,740,870,516.86/582,912.20
  6. Step 6: Final answer
    x = 400,988.13

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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.