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Finding the Fourth Proportional to 203.49, 304.45 and 176.73

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Solution

The fourth proportional to 203.49, 304.45 and 176.73 is: 264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.49 : 304.45 = 176.73 : x
  2. Step 2: Convert to fraction form
    203.49/304.45 = 176.73/x
  3. Step 3: Cross multiply
    203.49x = 304.45 × 176.73
  4. Step 4: Simplify right side
    203.49x = 53,805.45
  5. Step 5: Solve for x
    x = 53,805.45/203.49
  6. Step 6: Final answer
    x = 264.41

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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.