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Finding the Fourth Proportional to 340,198.43, 469,443.33 and 196,968.15

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Solution

The fourth proportional to 340,198.43, 469,443.33 and 196,968.15 is: 271,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,198.43 : 469,443.33 = 196,968.15 : x
  2. Step 2: Convert to fraction form
    340,198.43/469,443.33 = 196,968.15/x
  3. Step 3: Cross multiply
    340,198.43x = 469,443.33 × 196,968.15
  4. Step 4: Simplify right side
    340,198.43x = 92,465,384,239.94
  5. Step 5: Solve for x
    x = 92,465,384,239.94/340,198.43
  6. Step 6: Final answer
    x = 271,798.39

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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.