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Finding the Fourth Proportional to 304,286.22, 419,773.59 and 196,890.89

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Solution

The fourth proportional to 304,286.22, 419,773.59 and 196,890.89 is: 271,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,286.22 : 419,773.59 = 196,890.89 : x
  2. Step 2: Convert to fraction form
    304,286.22/419,773.59 = 196,890.89/x
  3. Step 3: Cross multiply
    304,286.22x = 419,773.59 × 196,890.89
  4. Step 4: Simplify right side
    304,286.22x = 82,649,593,634.73
  5. Step 5: Solve for x
    x = 82,649,593,634.73/304,286.22
  6. Step 6: Final answer
    x = 271,617.93

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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.