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Finding the Fourth Proportional to 494,007.80, 681,730.83 and 267,653.30

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Solution

The fourth proportional to 494,007.80, 681,730.83 and 267,653.30 is: 369,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,007.80 : 681,730.83 = 267,653.30 : x
  2. Step 2: Convert to fraction form
    494,007.80/681,730.83 = 267,653.30/x
  3. Step 3: Cross multiply
    494,007.80x = 681,730.83 × 267,653.30
  4. Step 4: Simplify right side
    494,007.80x = 182,467,502,952.59
  5. Step 5: Solve for x
    x = 182,467,502,952.59/494,007.80
  6. Step 6: Final answer
    x = 369,361.59

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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.