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Finding the Fourth Proportional to 352,067.77, 485,849.26 and 190,920.88

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Solution

The fourth proportional to 352,067.77, 485,849.26 and 190,920.88 is: 263,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,067.77 : 485,849.26 = 190,920.88 : x
  2. Step 2: Convert to fraction form
    352,067.77/485,849.26 = 190,920.88/x
  3. Step 3: Cross multiply
    352,067.77x = 485,849.26 × 190,920.88
  4. Step 4: Simplify right side
    352,067.77x = 92,758,768,266.55
  5. Step 5: Solve for x
    x = 92,758,768,266.55/352,067.77
  6. Step 6: Final answer
    x = 263,468.50

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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.