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Finding the Fourth Proportional to 245,539.80, 367,791.30 and 204,067.80

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Solution

The fourth proportional to 245,539.80, 367,791.30 and 204,067.80 is: 305,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,539.80 : 367,791.30 = 204,067.80 : x
  2. Step 2: Convert to fraction form
    245,539.80/367,791.30 = 204,067.80/x
  3. Step 3: Cross multiply
    245,539.80x = 367,791.30 × 204,067.80
  4. Step 4: Simplify right side
    245,539.80x = 75,054,361,450.14
  5. Step 5: Solve for x
    x = 75,054,361,450.14/245,539.80
  6. Step 6: Final answer
    x = 305,670.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.