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Finding the Fourth Proportional to 450.92, 676.44 and 177

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Solution

The fourth proportional to 450.92, 676.44 and 177 is: 265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.92 : 676.44 = 177 : x
  2. Step 2: Convert to fraction form
    450.92/676.44 = 177/x
  3. Step 3: Cross multiply
    450.92x = 676.44 × 177
  4. Step 4: Simplify right side
    450.92x = 119,729.88
  5. Step 5: Solve for x
    x = 119,729.88/450.92
  6. Step 6: Final answer
    x = 265.52

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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.