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Finding the Fourth Proportional to 1,067.29, 1,601.33 and 482.11

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Solution

The fourth proportional to 1,067.29, 1,601.33 and 482.11 is: 723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.29 : 1,601.33 = 482.11 : x
  2. Step 2: Convert to fraction form
    1,067.29/1,601.33 = 482.11/x
  3. Step 3: Cross multiply
    1,067.29x = 1,601.33 × 482.11
  4. Step 4: Simplify right side
    1,067.29x = 772,010.79
  5. Step 5: Solve for x
    x = 772,010.79/1,067.29
  6. Step 6: Final answer
    x = 723.34

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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.