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Finding the Fourth Proportional to 339,361.64, 468,266.91 and 196,093.88

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Solution

The fourth proportional to 339,361.64, 468,266.91 and 196,093.88 is: 270,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,361.64 : 468,266.91 = 196,093.88 : x
  2. Step 2: Convert to fraction form
    339,361.64/468,266.91 = 196,093.88/x
  3. Step 3: Cross multiply
    339,361.64x = 468,266.91 × 196,093.88
  4. Step 4: Simplify right side
    339,361.64x = 91,824,275,257.51
  5. Step 5: Solve for x
    x = 91,824,275,257.51/339,361.64
  6. Step 6: Final answer
    x = 270,579.42

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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.