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Finding the Fourth Proportional to 339,375.56, 468,282.06 and 196,148.94

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Solution

The fourth proportional to 339,375.56, 468,282.06 and 196,148.94 is: 270,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,375.56 : 468,282.06 = 196,148.94 : x
  2. Step 2: Convert to fraction form
    339,375.56/468,282.06 = 196,148.94/x
  3. Step 3: Cross multiply
    339,375.56x = 468,282.06 × 196,148.94
  4. Step 4: Simplify right side
    339,375.56x = 91,853,029,690.02
  5. Step 5: Solve for x
    x = 91,853,029,690.02/339,375.56
  6. Step 6: Final answer
    x = 270,653.05

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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.