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Finding the Fourth Proportional to 339,163.67, 508,756.34 and 170,591.94

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Solution

The fourth proportional to 339,163.67, 508,756.34 and 170,591.94 is: 255,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,163.67 : 508,756.34 = 170,591.94 : x
  2. Step 2: Convert to fraction form
    339,163.67/508,756.34 = 170,591.94/x
  3. Step 3: Cross multiply
    339,163.67x = 508,756.34 × 170,591.94
  4. Step 4: Simplify right side
    339,163.67x = 86,789,731,454.38
  5. Step 5: Solve for x
    x = 86,789,731,454.38/339,163.67
  6. Step 6: Final answer
    x = 255,893.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.