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Finding the Fourth Proportional to 396.31, 594.75 and 176.99

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Solution

The fourth proportional to 396.31, 594.75 and 176.99 is: 265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.31 : 594.75 = 176.99 : x
  2. Step 2: Convert to fraction form
    396.31/594.75 = 176.99/x
  3. Step 3: Cross multiply
    396.31x = 594.75 × 176.99
  4. Step 4: Simplify right side
    396.31x = 105,264.80
  5. Step 5: Solve for x
    x = 105,264.80/396.31
  6. Step 6: Final answer
    x = 265.61

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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.