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Finding the Fourth Proportional to 530.92, 796.44 and 165.61

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Solution

The fourth proportional to 530.92, 796.44 and 165.61 is: 248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.92 : 796.44 = 165.61 : x
  2. Step 2: Convert to fraction form
    530.92/796.44 = 165.61/x
  3. Step 3: Cross multiply
    530.92x = 796.44 × 165.61
  4. Step 4: Simplify right side
    530.92x = 131,898.43
  5. Step 5: Solve for x
    x = 131,898.43/530.92
  6. Step 6: Final answer
    x = 248.43

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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.