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Finding the Fourth Proportional to 339,396.89, 468,262.35 and 196,104.65

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Solution

The fourth proportional to 339,396.89, 468,262.35 and 196,104.65 is: 270,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,396.89 : 468,262.35 = 196,104.65 : x
  2. Step 2: Convert to fraction form
    339,396.89/468,262.35 = 196,104.65/x
  3. Step 3: Cross multiply
    339,396.89x = 468,262.35 × 196,104.65
  4. Step 4: Simplify right side
    339,396.89x = 91,828,421,913.62
  5. Step 5: Solve for x
    x = 91,828,421,913.62/339,396.89
  6. Step 6: Final answer
    x = 270,563.54

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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.