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Finding the Fourth Proportional to 235.26, 324.70 and 176.94

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Solution

The fourth proportional to 235.26, 324.70 and 176.94 is: 244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.26 : 324.70 = 176.94 : x
  2. Step 2: Convert to fraction form
    235.26/324.70 = 176.94/x
  3. Step 3: Cross multiply
    235.26x = 324.70 × 176.94
  4. Step 4: Simplify right side
    235.26x = 57,452.42
  5. Step 5: Solve for x
    x = 57,452.42/235.26
  6. Step 6: Final answer
    x = 244.21

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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.