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Finding the Fourth Proportional to 376,755.56, 519,923.13 and 204,673.64

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Solution

The fourth proportional to 376,755.56, 519,923.13 and 204,673.64 is: 282,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,755.56 : 519,923.13 = 204,673.64 : x
  2. Step 2: Convert to fraction form
    376,755.56/519,923.13 = 204,673.64/x
  3. Step 3: Cross multiply
    376,755.56x = 519,923.13 × 204,673.64
  4. Step 4: Simplify right side
    376,755.56x = 106,414,560,837.10
  5. Step 5: Solve for x
    x = 106,414,560,837.10/376,755.56
  6. Step 6: Final answer
    x = 282,449.87

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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.