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Finding the Fourth Proportional to 300,773.25, 415,067.09 and 179,919.63

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Solution

The fourth proportional to 300,773.25, 415,067.09 and 179,919.63 is: 248,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,773.25 : 415,067.09 = 179,919.63 : x
  2. Step 2: Convert to fraction form
    300,773.25/415,067.09 = 179,919.63/x
  3. Step 3: Cross multiply
    300,773.25x = 415,067.09 × 179,919.63
  4. Step 4: Simplify right side
    300,773.25x = 74,678,716,358.38
  5. Step 5: Solve for x
    x = 74,678,716,358.38/300,773.25
  6. Step 6: Final answer
    x = 248,289.09

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1.5x scale

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.