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Finding the Fourth Proportional to 339,310, 468,305.42 and 196,153.04

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Solution

The fourth proportional to 339,310, 468,305.42 and 196,153.04 is: 270,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,310 : 468,305.42 = 196,153.04 : x
  2. Step 2: Convert to fraction form
    339,310/468,305.42 = 196,153.04/x
  3. Step 3: Cross multiply
    339,310x = 468,305.42 × 196,153.04
  4. Step 4: Simplify right side
    339,310x = 91,859,531,781.48
  5. Step 5: Solve for x
    x = 91,859,531,781.48/339,310
  6. Step 6: Final answer
    x = 270,724.50

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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.