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Finding the Fourth Proportional to 339,592.96, 468,610.86 and 196,362.28

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Solution

The fourth proportional to 339,592.96, 468,610.86 and 196,362.28 is: 270,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,592.96 : 468,610.86 = 196,362.28 : x
  2. Step 2: Convert to fraction form
    339,592.96/468,610.86 = 196,362.28/x
  3. Step 3: Cross multiply
    339,592.96x = 468,610.86 × 196,362.28
  4. Step 4: Simplify right side
    339,592.96x = 92,017,496,902.36
  5. Step 5: Solve for x
    x = 92,017,496,902.36/339,592.96
  6. Step 6: Final answer
    x = 270,964.09

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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.