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Finding the Fourth Proportional to 301,067.70, 451,601.55 and 252,078.90

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Solution

The fourth proportional to 301,067.70, 451,601.55 and 252,078.90 is: 378,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,067.70 : 451,601.55 = 252,078.90 : x
  2. Step 2: Convert to fraction form
    301,067.70/451,601.55 = 252,078.90/x
  3. Step 3: Cross multiply
    301,067.70x = 451,601.55 × 252,078.90
  4. Step 4: Simplify right side
    301,067.70x = 113,839,221,962.30
  5. Step 5: Solve for x
    x = 113,839,221,962.30/301,067.70
  6. Step 6: Final answer
    x = 378,118.35

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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.