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Finding the Fourth Proportional to 339,371.56, 468,276.55 and 196,144.93

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Solution

The fourth proportional to 339,371.56, 468,276.55 and 196,144.93 is: 270,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,371.56 : 468,276.55 = 196,144.93 : x
  2. Step 2: Convert to fraction form
    339,371.56/468,276.55 = 196,144.93/x
  3. Step 3: Cross multiply
    339,371.56x = 468,276.55 × 196,144.93
  4. Step 4: Simplify right side
    339,371.56x = 91,850,071,120.39
  5. Step 5: Solve for x
    x = 91,850,071,120.39/339,371.56
  6. Step 6: Final answer
    x = 270,647.52

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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.