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Finding the Fourth Proportional to 1,067.17, 1,600.95 and 336.95

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Solution

The fourth proportional to 1,067.17, 1,600.95 and 336.95 is: 505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.17 : 1,600.95 = 336.95 : x
  2. Step 2: Convert to fraction form
    1,067.17/1,600.95 = 336.95/x
  3. Step 3: Cross multiply
    1,067.17x = 1,600.95 × 336.95
  4. Step 4: Simplify right side
    1,067.17x = 539,440.10
  5. Step 5: Solve for x
    x = 539,440.10/1,067.17
  6. Step 6: Final answer
    x = 505.49

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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.