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Finding the Fourth Proportional to 401,067.25, 601,195.82 and 251,412.43

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Solution

The fourth proportional to 401,067.25, 601,195.82 and 251,412.43 is: 376,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,067.25 : 601,195.82 = 251,412.43 : x
  2. Step 2: Convert to fraction form
    401,067.25/601,195.82 = 251,412.43/x
  3. Step 3: Cross multiply
    401,067.25x = 601,195.82 × 251,412.43
  4. Step 4: Simplify right side
    401,067.25x = 151,148,103,484.29
  5. Step 5: Solve for x
    x = 151,148,103,484.29/401,067.25
  6. Step 6: Final answer
    x = 376,864.74

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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.