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Finding the Fourth Proportional to 451,489.94, 622,968.38 and 267,694.56

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Solution

The fourth proportional to 451,489.94, 622,968.38 and 267,694.56 is: 369,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,489.94 : 622,968.38 = 267,694.56 : x
  2. Step 2: Convert to fraction form
    451,489.94/622,968.38 = 267,694.56/x
  3. Step 3: Cross multiply
    451,489.94x = 622,968.38 × 267,694.56
  4. Step 4: Simplify right side
    451,489.94x = 166,765,245,039.54
  5. Step 5: Solve for x
    x = 166,765,245,039.54/451,489.94
  6. Step 6: Final answer
    x = 369,366.47

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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.