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Finding the Fourth Proportional to 494,753.88, 682,760.16 and 268,399.38

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Solution

The fourth proportional to 494,753.88, 682,760.16 and 268,399.38 is: 370,391.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,753.88 : 682,760.16 = 268,399.38 : x
  2. Step 2: Convert to fraction form
    494,753.88/682,760.16 = 268,399.38/x
  3. Step 3: Cross multiply
    494,753.88x = 682,760.16 × 268,399.38
  4. Step 4: Simplify right side
    494,753.88x = 183,252,403,632.70
  5. Step 5: Solve for x
    x = 183,252,403,632.70/494,753.88
  6. Step 6: Final answer
    x = 370,391.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.