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Finding the Fourth Proportional to 483,836.95, 667,735.39 and 268,997.01

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Solution

The fourth proportional to 483,836.95, 667,735.39 and 268,997.01 is: 371,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,836.95 : 667,735.39 = 268,997.01 : x
  2. Step 2: Convert to fraction form
    483,836.95/667,735.39 = 268,997.01/x
  3. Step 3: Cross multiply
    483,836.95x = 667,735.39 × 268,997.01
  4. Step 4: Simplify right side
    483,836.95x = 179,618,823,381.18
  5. Step 5: Solve for x
    x = 179,618,823,381.18/483,836.95
  6. Step 6: Final answer
    x = 371,238.33

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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.