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Finding the Fourth Proportional to 363.23, 501.27 and 197.46

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Solution

The fourth proportional to 363.23, 501.27 and 197.46 is: 272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.23 : 501.27 = 197.46 : x
  2. Step 2: Convert to fraction form
    363.23/501.27 = 197.46/x
  3. Step 3: Cross multiply
    363.23x = 501.27 × 197.46
  4. Step 4: Simplify right side
    363.23x = 98,978.89
  5. Step 5: Solve for x
    x = 98,978.89/363.23
  6. Step 6: Final answer
    x = 272.50

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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.