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Finding the Fourth Proportional to 339,870.26, 469,010.22 and 186,907.97

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Solution

The fourth proportional to 339,870.26, 469,010.22 and 186,907.97 is: 257,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,870.26 : 469,010.22 = 186,907.97 : x
  2. Step 2: Convert to fraction form
    339,870.26/469,010.22 = 186,907.97/x
  3. Step 3: Cross multiply
    339,870.26x = 469,010.22 × 186,907.97
  4. Step 4: Simplify right side
    339,870.26x = 87,661,747,016.70
  5. Step 5: Solve for x
    x = 87,661,747,016.70/339,870.26
  6. Step 6: Final answer
    x = 257,927.09

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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.