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Finding the Fourth Proportional to 483,551.14, 667,287.31 and 268,685.68

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Solution

The fourth proportional to 483,551.14, 667,287.31 and 268,685.68 is: 370,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,551.14 : 667,287.31 = 268,685.68 : x
  2. Step 2: Convert to fraction form
    483,551.14/667,287.31 = 268,685.68/x
  3. Step 3: Cross multiply
    483,551.14x = 667,287.31 × 268,685.68
  4. Step 4: Simplify right side
    483,551.14x = 179,290,544,642.72
  5. Step 5: Solve for x
    x = 179,290,544,642.72/483,551.14
  6. Step 6: Final answer
    x = 370,778.87

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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.