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Finding the Fourth Proportional to 339,796.35, 468,866.48 and 196,569.72

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Solution

The fourth proportional to 339,796.35, 468,866.48 and 196,569.72 is: 271,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,796.35 : 468,866.48 = 196,569.72 : x
  2. Step 2: Convert to fraction form
    339,796.35/468,866.48 = 196,569.72/x
  3. Step 3: Cross multiply
    339,796.35x = 468,866.48 × 196,569.72
  4. Step 4: Simplify right side
    339,796.35x = 92,164,951,708.14
  5. Step 5: Solve for x
    x = 92,164,951,708.14/339,796.35
  6. Step 6: Final answer
    x = 271,235.85

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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.