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Finding the Fourth Proportional to 339,428.58, 468,359.37 and 196,160.96

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Solution

The fourth proportional to 339,428.58, 468,359.37 and 196,160.96 is: 270,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,428.58 : 468,359.37 = 196,160.96 : x
  2. Step 2: Convert to fraction form
    339,428.58/468,359.37 = 196,160.96/x
  3. Step 3: Cross multiply
    339,428.58x = 468,359.37 × 196,160.96
  4. Step 4: Simplify right side
    339,428.58x = 91,873,821,302.40
  5. Step 5: Solve for x
    x = 91,873,821,302.40/339,428.58
  6. Step 6: Final answer
    x = 270,672.03

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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.