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Finding the Fourth Proportional to 1,198.48, 1,794.48 and 888.52

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Solution

The fourth proportional to 1,198.48, 1,794.48 and 888.52 is: 1,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.48 : 1,794.48 = 888.52 : x
  2. Step 2: Convert to fraction form
    1,198.48/1,794.48 = 888.52/x
  3. Step 3: Cross multiply
    1,198.48x = 1,794.48 × 888.52
  4. Step 4: Simplify right side
    1,198.48x = 1,594,431.37
  5. Step 5: Solve for x
    x = 1,594,431.37/1,198.48
  6. Step 6: Final answer
    x = 1,330.38

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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.