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Finding the Fourth Proportional to 352,067.48, 485,853.38 and 190,922.48

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Solution

The fourth proportional to 352,067.48, 485,853.38 and 190,922.48 is: 263,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,067.48 : 485,853.38 = 190,922.48 : x
  2. Step 2: Convert to fraction form
    352,067.48/485,853.38 = 190,922.48/x
  3. Step 3: Cross multiply
    352,067.48x = 485,853.38 × 190,922.48
  4. Step 4: Simplify right side
    352,067.48x = 92,760,332,225.98
  5. Step 5: Solve for x
    x = 92,760,332,225.98/352,067.48
  6. Step 6: Final answer
    x = 263,473.16

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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.