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Finding the Fourth Proportional to 483,832.35, 667,711.43 and 268,976

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Solution

The fourth proportional to 483,832.35, 667,711.43 and 268,976 is: 371,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,832.35 : 667,711.43 = 268,976 : x
  2. Step 2: Convert to fraction form
    483,832.35/667,711.43 = 268,976/x
  3. Step 3: Cross multiply
    483,832.35x = 667,711.43 × 268,976
  4. Step 4: Simplify right side
    483,832.35x = 179,598,349,595.68
  5. Step 5: Solve for x
    x = 179,598,349,595.68/483,832.35
  6. Step 6: Final answer
    x = 371,199.55

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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.