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Finding the Fourth Proportional to 376,331.68, 519,333.31 and 204,249.95

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Solution

The fourth proportional to 376,331.68, 519,333.31 and 204,249.95 is: 281,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,331.68 : 519,333.31 = 204,249.95 : x
  2. Step 2: Convert to fraction form
    376,331.68/519,333.31 = 204,249.95/x
  3. Step 3: Cross multiply
    376,331.68x = 519,333.31 × 204,249.95
  4. Step 4: Simplify right side
    376,331.68x = 106,073,802,600.84
  5. Step 5: Solve for x
    x = 106,073,802,600.84/376,331.68
  6. Step 6: Final answer
    x = 281,862.54

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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.