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Finding the Fourth Proportional to 225.90, 338.25 and 176.94

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Solution

The fourth proportional to 225.90, 338.25 and 176.94 is: 264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.90 : 338.25 = 176.94 : x
  2. Step 2: Convert to fraction form
    225.90/338.25 = 176.94/x
  3. Step 3: Cross multiply
    225.90x = 338.25 × 176.94
  4. Step 4: Simplify right side
    225.90x = 59,849.96
  5. Step 5: Solve for x
    x = 59,849.96/225.90
  6. Step 6: Final answer
    x = 264.94

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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.