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Finding the Fourth Proportional to 339,429.43, 468,360.57 and 196,161.82

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Solution

The fourth proportional to 339,429.43, 468,360.57 and 196,161.82 is: 270,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,429.43 : 468,360.57 = 196,161.82 : x
  2. Step 2: Convert to fraction form
    339,429.43/468,360.57 = 196,161.82/x
  3. Step 3: Cross multiply
    339,429.43x = 468,360.57 × 196,161.82
  4. Step 4: Simplify right side
    339,429.43x = 91,874,461,827.44
  5. Step 5: Solve for x
    x = 91,874,461,827.44/339,429.43
  6. Step 6: Final answer
    x = 270,673.23

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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.