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Finding the Fourth Proportional to 589.39, 884.26 and 178.54

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Solution

The fourth proportional to 589.39, 884.26 and 178.54 is: 267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.39 : 884.26 = 178.54 : x
  2. Step 2: Convert to fraction form
    589.39/884.26 = 178.54/x
  3. Step 3: Cross multiply
    589.39x = 884.26 × 178.54
  4. Step 4: Simplify right side
    589.39x = 157,875.78
  5. Step 5: Solve for x
    x = 157,875.78/589.39
  6. Step 6: Final answer
    x = 267.86

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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.