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Finding the Fourth Proportional to 339,535.76, 468,531.92 and 196,305.03

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Solution

The fourth proportional to 339,535.76, 468,531.92 and 196,305.03 is: 270,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,535.76 : 468,531.92 = 196,305.03 : x
  2. Step 2: Convert to fraction form
    339,535.76/468,531.92 = 196,305.03/x
  3. Step 3: Cross multiply
    339,535.76x = 468,531.92 × 196,305.03
  4. Step 4: Simplify right side
    339,535.76x = 91,975,172,461.08
  5. Step 5: Solve for x
    x = 91,975,172,461.08/339,535.76
  6. Step 6: Final answer
    x = 270,885.09

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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.