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Finding the Fourth Proportional to 483,844.32, 667,727.97 and 268,987.98

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Solution

The fourth proportional to 483,844.32, 667,727.97 and 268,987.98 is: 371,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,844.32 : 667,727.97 = 268,987.98 : x
  2. Step 2: Convert to fraction form
    483,844.32/667,727.97 = 268,987.98/x
  3. Step 3: Cross multiply
    483,844.32x = 667,727.97 × 268,987.98
  4. Step 4: Simplify right side
    483,844.32x = 179,610,797,839.80
  5. Step 5: Solve for x
    x = 179,610,797,839.80/483,844.32
  6. Step 6: Final answer
    x = 371,216.09

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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.