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Finding the Fourth Proportional to 350.34, 484.22 and 262.86

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Solution

The fourth proportional to 350.34, 484.22 and 262.86 is: 363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.34 : 484.22 = 262.86 : x
  2. Step 2: Convert to fraction form
    350.34/484.22 = 262.86/x
  3. Step 3: Cross multiply
    350.34x = 484.22 × 262.86
  4. Step 4: Simplify right side
    350.34x = 127,282.73
  5. Step 5: Solve for x
    x = 127,282.73/350.34
  6. Step 6: Final answer
    x = 363.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.