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Finding the Fourth Proportional to 494,048.76, 681,787.78 and 267,694.26

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Solution

The fourth proportional to 494,048.76, 681,787.78 and 267,694.26 is: 369,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,048.76 : 681,787.78 = 267,694.26 : x
  2. Step 2: Convert to fraction form
    494,048.76/681,787.78 = 267,694.26/x
  3. Step 3: Cross multiply
    494,048.76x = 681,787.78 × 267,694.26
  4. Step 4: Simplify right side
    494,048.76x = 182,510,675,244.14
  5. Step 5: Solve for x
    x = 182,510,675,244.14/494,048.76
  6. Step 6: Final answer
    x = 369,418.34

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Similar ratio
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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.