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Finding the Fourth Proportional to 483,866.82, 667,698.39 and 268,993.80

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Solution

The fourth proportional to 483,866.82, 667,698.39 and 268,993.80 is: 371,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,866.82 : 667,698.39 = 268,993.80 : x
  2. Step 2: Convert to fraction form
    483,866.82/667,698.39 = 268,993.80/x
  3. Step 3: Cross multiply
    483,866.82x = 667,698.39 × 268,993.80
  4. Step 4: Simplify right side
    483,866.82x = 179,606,727,179.98
  5. Step 5: Solve for x
    x = 179,606,727,179.98/483,866.82
  6. Step 6: Final answer
    x = 371,190.42

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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.