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Finding the Fourth Proportional to 358,920.97, 537,873.48 and 199,067.27

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Solution

The fourth proportional to 358,920.97, 537,873.48 and 199,067.27 is: 298,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,920.97 : 537,873.48 = 199,067.27 : x
  2. Step 2: Convert to fraction form
    358,920.97/537,873.48 = 199,067.27/x
  3. Step 3: Cross multiply
    358,920.97x = 537,873.48 × 199,067.27
  4. Step 4: Simplify right side
    358,920.97x = 107,073,002,579.63
  5. Step 5: Solve for x
    x = 107,073,002,579.63/358,920.97
  6. Step 6: Final answer
    x = 298,319.16

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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.