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Finding the Fourth Proportional to 376,755.55, 519,920.60 and 204,672.15

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Solution

The fourth proportional to 376,755.55, 519,920.60 and 204,672.15 is: 282,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,755.55 : 519,920.60 = 204,672.15 : x
  2. Step 2: Convert to fraction form
    376,755.55/519,920.60 = 204,672.15/x
  3. Step 3: Cross multiply
    376,755.55x = 519,920.60 × 204,672.15
  4. Step 4: Simplify right side
    376,755.55x = 106,413,266,007.93
  5. Step 5: Solve for x
    x = 106,413,266,007.93/376,755.55
  6. Step 6: Final answer
    x = 282,446.45

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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.