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Finding the Fourth Proportional to 329.23, 493.32 and 175.11

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Solution

The fourth proportional to 329.23, 493.32 and 175.11 is: 262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.23 : 493.32 = 175.11 : x
  2. Step 2: Convert to fraction form
    329.23/493.32 = 175.11/x
  3. Step 3: Cross multiply
    329.23x = 493.32 × 175.11
  4. Step 4: Simplify right side
    329.23x = 86,385.27
  5. Step 5: Solve for x
    x = 86,385.27/329.23
  6. Step 6: Final answer
    x = 262.39

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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.