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Finding the Fourth Proportional to 339,047.25, 467,907.09 and 188,144.25

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Solution

The fourth proportional to 339,047.25, 467,907.09 and 188,144.25 is: 259,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,047.25 : 467,907.09 = 188,144.25 : x
  2. Step 2: Convert to fraction form
    339,047.25/467,907.09 = 188,144.25/x
  3. Step 3: Cross multiply
    339,047.25x = 467,907.09 × 188,144.25
  4. Step 4: Simplify right side
    339,047.25x = 88,034,028,517.73
  5. Step 5: Solve for x
    x = 88,034,028,517.73/339,047.25
  6. Step 6: Final answer
    x = 259,651.21

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1.5x scale

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.