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Finding the Fourth Proportional to 339,471.66, 468,418.86 and 196,204.08

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Solution

The fourth proportional to 339,471.66, 468,418.86 and 196,204.08 is: 270,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,471.66 : 468,418.86 = 196,204.08 : x
  2. Step 2: Convert to fraction form
    339,471.66/468,418.86 = 196,204.08/x
  3. Step 3: Cross multiply
    339,471.66x = 468,418.86 × 196,204.08
  4. Step 4: Simplify right side
    339,471.66x = 91,905,691,480.95
  5. Step 5: Solve for x
    x = 91,905,691,480.95/339,471.66
  6. Step 6: Final answer
    x = 270,731.56

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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.