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Finding the Fourth Proportional to 339,028.79, 467,881.59 and 188,125.79

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Solution

The fourth proportional to 339,028.79, 467,881.59 and 188,125.79 is: 259,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,028.79 : 467,881.59 = 188,125.79 : x
  2. Step 2: Convert to fraction form
    339,028.79/467,881.59 = 188,125.79/x
  3. Step 3: Cross multiply
    339,028.79x = 467,881.59 × 188,125.79
  4. Step 4: Simplify right side
    339,028.79x = 88,020,591,405.80
  5. Step 5: Solve for x
    x = 88,020,591,405.80/339,028.79
  6. Step 6: Final answer
    x = 259,625.72

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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.