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Finding the Fourth Proportional to 893.59, 1,233.24 and 544.48

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Solution

The fourth proportional to 893.59, 1,233.24 and 544.48 is: 751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.59 : 1,233.24 = 544.48 : x
  2. Step 2: Convert to fraction form
    893.59/1,233.24 = 544.48/x
  3. Step 3: Cross multiply
    893.59x = 1,233.24 × 544.48
  4. Step 4: Simplify right side
    893.59x = 671,474.52
  5. Step 5: Solve for x
    x = 671,474.52/893.59
  6. Step 6: Final answer
    x = 751.43

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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.