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Finding the Fourth Proportional to 1,067.76, 1,600.24 and 605.52

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Solution

The fourth proportional to 1,067.76, 1,600.24 and 605.52 is: 907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.76 : 1,600.24 = 605.52 : x
  2. Step 2: Convert to fraction form
    1,067.76/1,600.24 = 605.52/x
  3. Step 3: Cross multiply
    1,067.76x = 1,600.24 × 605.52
  4. Step 4: Simplify right side
    1,067.76x = 968,977.32
  5. Step 5: Solve for x
    x = 968,977.32/1,067.76
  6. Step 6: Final answer
    x = 907.49

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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.