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Finding the Fourth Proportional to 483,832.97, 667,712.29 and 268,976.63

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Solution

The fourth proportional to 483,832.97, 667,712.29 and 268,976.63 is: 371,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,832.97 : 667,712.29 = 268,976.63 : x
  2. Step 2: Convert to fraction form
    483,832.97/667,712.29 = 268,976.63/x
  3. Step 3: Cross multiply
    483,832.97x = 667,712.29 × 268,976.63
  4. Step 4: Simplify right side
    483,832.97x = 179,598,997,562.78
  5. Step 5: Solve for x
    x = 179,598,997,562.78/483,832.97
  6. Step 6: Final answer
    x = 371,200.41

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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.