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Finding the Fourth Proportional to 503,365.54, 755,310.82 and 204,067.30

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Solution

The fourth proportional to 503,365.54, 755,310.82 and 204,067.30 is: 306,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,365.54 : 755,310.82 = 204,067.30 : x
  2. Step 2: Convert to fraction form
    503,365.54/755,310.82 = 204,067.30/x
  3. Step 3: Cross multiply
    503,365.54x = 755,310.82 × 204,067.30
  4. Step 4: Simplify right side
    503,365.54x = 154,134,239,698.19
  5. Step 5: Solve for x
    x = 154,134,239,698.19/503,365.54
  6. Step 6: Final answer
    x = 306,207.37

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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.