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Finding the Fourth Proportional to 445,297.96, 667,956.66 and 267,953.32

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Solution

The fourth proportional to 445,297.96, 667,956.66 and 267,953.32 is: 401,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,297.96 : 667,956.66 = 267,953.32 : x
  2. Step 2: Convert to fraction form
    445,297.96/667,956.66 = 267,953.32/x
  3. Step 3: Cross multiply
    445,297.96x = 667,956.66 × 267,953.32
  4. Step 4: Simplify right side
    445,297.96x = 178,981,204,663.11
  5. Step 5: Solve for x
    x = 178,981,204,663.11/445,297.96
  6. Step 6: Final answer
    x = 401,935.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.