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Finding the Fourth Proportional to 339,044.25, 467,902.95 and 188,141.25

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Solution

The fourth proportional to 339,044.25, 467,902.95 and 188,141.25 is: 259,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,044.25 : 467,902.95 = 188,141.25 : x
  2. Step 2: Convert to fraction form
    339,044.25/467,902.95 = 188,141.25/x
  3. Step 3: Cross multiply
    339,044.25x = 467,902.95 × 188,141.25
  4. Step 4: Simplify right side
    339,044.25x = 88,031,845,891.69
  5. Step 5: Solve for x
    x = 88,031,845,891.69/339,044.25
  6. Step 6: Final answer
    x = 259,647.07

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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.