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Finding the Fourth Proportional to 339,578.08, 468,604.56 and 188,684.80

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Solution

The fourth proportional to 339,578.08, 468,604.56 and 188,684.80 is: 260,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,578.08 : 468,604.56 = 188,684.80 : x
  2. Step 2: Convert to fraction form
    339,578.08/468,604.56 = 188,684.80/x
  3. Step 3: Cross multiply
    339,578.08x = 468,604.56 × 188,684.80
  4. Step 4: Simplify right side
    339,578.08x = 88,418,557,682.69
  5. Step 5: Solve for x
    x = 88,418,557,682.69/339,578.08
  6. Step 6: Final answer
    x = 260,377.69

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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.