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Finding the Fourth Proportional to 1,067.13, 1,600.53 and 336.88

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Solution

The fourth proportional to 1,067.13, 1,600.53 and 336.88 is: 505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.13 : 1,600.53 = 336.88 : x
  2. Step 2: Convert to fraction form
    1,067.13/1,600.53 = 336.88/x
  3. Step 3: Cross multiply
    1,067.13x = 1,600.53 × 336.88
  4. Step 4: Simplify right side
    1,067.13x = 539,186.55
  5. Step 5: Solve for x
    x = 539,186.55/1,067.13
  6. Step 6: Final answer
    x = 505.27

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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.