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Finding the Fourth Proportional to 937.54, 1,398.26 and 888.33

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Solution

The fourth proportional to 937.54, 1,398.26 and 888.33 is: 1,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.54 : 1,398.26 = 888.33 : x
  2. Step 2: Convert to fraction form
    937.54/1,398.26 = 888.33/x
  3. Step 3: Cross multiply
    937.54x = 1,398.26 × 888.33
  4. Step 4: Simplify right side
    937.54x = 1,242,116.31
  5. Step 5: Solve for x
    x = 1,242,116.31/937.54
  6. Step 6: Final answer
    x = 1,324.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.