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Finding the Fourth Proportional to 376,556.33, 519,651.11 and 206,791.67

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Solution

The fourth proportional to 376,556.33, 519,651.11 and 206,791.67 is: 285,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,556.33 : 519,651.11 = 206,791.67 : x
  2. Step 2: Convert to fraction form
    376,556.33/519,651.11 = 206,791.67/x
  3. Step 3: Cross multiply
    376,556.33x = 519,651.11 × 206,791.67
  4. Step 4: Simplify right side
    376,556.33x = 107,459,519,820.30
  5. Step 5: Solve for x
    x = 107,459,519,820.30/376,556.33
  6. Step 6: Final answer
    x = 285,374.36

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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.