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Finding the Fourth Proportional to 379,067.33, 568,267.93 and 154,616.74

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Solution

The fourth proportional to 379,067.33, 568,267.93 and 154,616.74 is: 231,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,067.33 : 568,267.93 = 154,616.74 : x
  2. Step 2: Convert to fraction form
    379,067.33/568,267.93 = 154,616.74/x
  3. Step 3: Cross multiply
    379,067.33x = 568,267.93 × 154,616.74
  4. Step 4: Simplify right side
    379,067.33x = 87,863,734,783.15
  5. Step 5: Solve for x
    x = 87,863,734,783.15/379,067.33
  6. Step 6: Final answer
    x = 231,789.26

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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.