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Finding the Fourth Proportional to 483,067.96, 666,654.60 and 268,208.03

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Solution

The fourth proportional to 483,067.96, 666,654.60 and 268,208.03 is: 370,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,067.96 : 666,654.60 = 268,208.03 : x
  2. Step 2: Convert to fraction form
    483,067.96/666,654.60 = 268,208.03/x
  3. Step 3: Cross multiply
    483,067.96x = 666,654.60 × 268,208.03
  4. Step 4: Simplify right side
    483,067.96x = 178,802,116,956.44
  5. Step 5: Solve for x
    x = 178,802,116,956.44/483,067.96
  6. Step 6: Final answer
    x = 370,138.64

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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.