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Finding the Fourth Proportional to 339,945.70, 510,311.40 and 182,481.70

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Solution

The fourth proportional to 339,945.70, 510,311.40 and 182,481.70 is: 273,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,945.70 : 510,311.40 = 182,481.70 : x
  2. Step 2: Convert to fraction form
    339,945.70/510,311.40 = 182,481.70/x
  3. Step 3: Cross multiply
    339,945.70x = 510,311.40 × 182,481.70
  4. Step 4: Simplify right side
    339,945.70x = 93,122,491,801.38
  5. Step 5: Solve for x
    x = 93,122,491,801.38/339,945.70
  6. Step 6: Final answer
    x = 273,933.43

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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.