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Finding the Fourth Proportional to 364.97, 547.50 and 191.73

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Solution

The fourth proportional to 364.97, 547.50 and 191.73 is: 287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.97 : 547.50 = 191.73 : x
  2. Step 2: Convert to fraction form
    364.97/547.50 = 191.73/x
  3. Step 3: Cross multiply
    364.97x = 547.50 × 191.73
  4. Step 4: Simplify right side
    364.97x = 104,972.18
  5. Step 5: Solve for x
    x = 104,972.18/364.97
  6. Step 6: Final answer
    x = 287.62

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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.