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Finding the Fourth Proportional to 591.73, 887.50 and 221.44

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Solution

The fourth proportional to 591.73, 887.50 and 221.44 is: 332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.73 : 887.50 = 221.44 : x
  2. Step 2: Convert to fraction form
    591.73/887.50 = 221.44/x
  3. Step 3: Cross multiply
    591.73x = 887.50 × 221.44
  4. Step 4: Simplify right side
    591.73x = 196,525.23
  5. Step 5: Solve for x
    x = 196,525.23/591.73
  6. Step 6: Final answer
    x = 332.12

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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.