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Finding the Fourth Proportional to 483,378.97, 667,040.34 and 268,532.14

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Solution

The fourth proportional to 483,378.97, 667,040.34 and 268,532.14 is: 370,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,378.97 : 667,040.34 = 268,532.14 : x
  2. Step 2: Convert to fraction form
    483,378.97/667,040.34 = 268,532.14/x
  3. Step 3: Cross multiply
    483,378.97x = 667,040.34 × 268,532.14
  4. Step 4: Simplify right side
    483,378.97x = 179,121,769,305.92
  5. Step 5: Solve for x
    x = 179,121,769,305.92/483,378.97
  6. Step 6: Final answer
    x = 370,561.78

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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.