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Finding the Fourth Proportional to 893.44, 1,233.49 and 583.48

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Solution

The fourth proportional to 893.44, 1,233.49 and 583.48 is: 805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.44 : 1,233.49 = 583.48 : x
  2. Step 2: Convert to fraction form
    893.44/1,233.49 = 583.48/x
  3. Step 3: Cross multiply
    893.44x = 1,233.49 × 583.48
  4. Step 4: Simplify right side
    893.44x = 719,716.75
  5. Step 5: Solve for x
    x = 719,716.75/893.44
  6. Step 6: Final answer
    x = 805.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.