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Finding the Fourth Proportional to 378,473.58, 567,067.73 and 228,398.51

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Solution

The fourth proportional to 378,473.58, 567,067.73 and 228,398.51 is: 342,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,473.58 : 567,067.73 = 228,398.51 : x
  2. Step 2: Convert to fraction form
    378,473.58/567,067.73 = 228,398.51/x
  3. Step 3: Cross multiply
    378,473.58x = 567,067.73 × 228,398.51
  4. Step 4: Simplify right side
    378,473.58x = 129,517,424,876.76
  5. Step 5: Solve for x
    x = 129,517,424,876.76/378,473.58
  6. Step 6: Final answer
    x = 342,209.95

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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.