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Finding the Fourth Proportional to 235.17, 324.03 and 193.59

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Solution

The fourth proportional to 235.17, 324.03 and 193.59 is: 266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.17 : 324.03 = 193.59 : x
  2. Step 2: Convert to fraction form
    235.17/324.03 = 193.59/x
  3. Step 3: Cross multiply
    235.17x = 324.03 × 193.59
  4. Step 4: Simplify right side
    235.17x = 62,728.97
  5. Step 5: Solve for x
    x = 62,728.97/235.17
  6. Step 6: Final answer
    x = 266.74

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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.