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Finding the Fourth Proportional to 339,074.73, 467,919.59 and 188,172.81

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Solution

The fourth proportional to 339,074.73, 467,919.59 and 188,172.81 is: 259,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,074.73 : 467,919.59 = 188,172.81 : x
  2. Step 2: Convert to fraction form
    339,074.73/467,919.59 = 188,172.81/x
  3. Step 3: Cross multiply
    339,074.73x = 467,919.59 × 188,172.81
  4. Step 4: Simplify right side
    339,074.73x = 88,049,743,163.48
  5. Step 5: Solve for x
    x = 88,049,743,163.48/339,074.73
  6. Step 6: Final answer
    x = 259,676.51

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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.