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Finding the Fourth Proportional to 350.96, 484.52 and 251.87

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Solution

The fourth proportional to 350.96, 484.52 and 251.87 is: 347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.96 : 484.52 = 251.87 : x
  2. Step 2: Convert to fraction form
    350.96/484.52 = 251.87/x
  3. Step 3: Cross multiply
    350.96x = 484.52 × 251.87
  4. Step 4: Simplify right side
    350.96x = 122,032.37
  5. Step 5: Solve for x
    x = 122,032.37/350.96
  6. Step 6: Final answer
    x = 347.72

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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.