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Finding the Fourth Proportional to 396.22, 594.40 and 176.93

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Solution

The fourth proportional to 396.22, 594.40 and 176.93 is: 265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.22 : 594.40 = 176.93 : x
  2. Step 2: Convert to fraction form
    396.22/594.40 = 176.93/x
  3. Step 3: Cross multiply
    396.22x = 594.40 × 176.93
  4. Step 4: Simplify right side
    396.22x = 105,165.26
  5. Step 5: Solve for x
    x = 105,165.26/396.22
  6. Step 6: Final answer
    x = 265.42

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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.