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Finding the Fourth Proportional to 435,081.78, 652,654.11 and 182,107.85

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Solution

The fourth proportional to 435,081.78, 652,654.11 and 182,107.85 is: 273,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,081.78 : 652,654.11 = 182,107.85 : x
  2. Step 2: Convert to fraction form
    435,081.78/652,654.11 = 182,107.85/x
  3. Step 3: Cross multiply
    435,081.78x = 652,654.11 × 182,107.85
  4. Step 4: Simplify right side
    435,081.78x = 118,853,433,161.04
  5. Step 5: Solve for x
    x = 118,853,433,161.04/435,081.78
  6. Step 6: Final answer
    x = 273,174.93

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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.