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Finding the Fourth Proportional to 483,067.71, 666,654.26 and 268,207.79

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Solution

The fourth proportional to 483,067.71, 666,654.26 and 268,207.79 is: 370,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,067.71 : 666,654.26 = 268,207.79 : x
  2. Step 2: Convert to fraction form
    483,067.71/666,654.26 = 268,207.79/x
  3. Step 3: Cross multiply
    483,067.71x = 666,654.26 × 268,207.79
  4. Step 4: Simplify right side
    483,067.71x = 178,801,861,094.38
  5. Step 5: Solve for x
    x = 178,801,861,094.38/483,067.71
  6. Step 6: Final answer
    x = 370,138.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.