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Finding the Fourth Proportional to 339,418.14, 468,404.58 and 196,184.22

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Solution

The fourth proportional to 339,418.14, 468,404.58 and 196,184.22 is: 270,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,418.14 : 468,404.58 = 196,184.22 : x
  2. Step 2: Convert to fraction form
    339,418.14/468,404.58 = 196,184.22/x
  3. Step 3: Cross multiply
    339,418.14x = 468,404.58 × 196,184.22
  4. Step 4: Simplify right side
    339,418.14x = 91,893,587,171.73
  5. Step 5: Solve for x
    x = 91,893,587,171.73/339,418.14
  6. Step 6: Final answer
    x = 270,738.59

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1.5x scale

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.