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Finding the Fourth Proportional to 1,067.16, 1,600.62 and 336.74

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Solution

The fourth proportional to 1,067.16, 1,600.62 and 336.74 is: 505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.16 : 1,600.62 = 336.74 : x
  2. Step 2: Convert to fraction form
    1,067.16/1,600.62 = 336.74/x
  3. Step 3: Cross multiply
    1,067.16x = 1,600.62 × 336.74
  4. Step 4: Simplify right side
    1,067.16x = 538,988.78
  5. Step 5: Solve for x
    x = 538,988.78/1,067.16
  6. Step 6: Final answer
    x = 505.07

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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.