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Finding the Fourth Proportional to 378,473.33, 567,067.35 and 228,398.27

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Solution

The fourth proportional to 378,473.33, 567,067.35 and 228,398.27 is: 342,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,473.33 : 567,067.35 = 228,398.27 : x
  2. Step 2: Convert to fraction form
    378,473.33/567,067.35 = 228,398.27/x
  3. Step 3: Cross multiply
    378,473.33x = 567,067.35 × 228,398.27
  4. Step 4: Simplify right side
    378,473.33x = 129,517,201,713.48
  5. Step 5: Solve for x
    x = 129,517,201,713.48/378,473.33
  6. Step 6: Final answer
    x = 342,209.59

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1.5x scale

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.