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Finding the Fourth Proportional to 351.14, 484.79 and 264.26

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Solution

The fourth proportional to 351.14, 484.79 and 264.26 is: 364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.14 : 484.79 = 264.26 : x
  2. Step 2: Convert to fraction form
    351.14/484.79 = 264.26/x
  3. Step 3: Cross multiply
    351.14x = 484.79 × 264.26
  4. Step 4: Simplify right side
    351.14x = 128,110.50
  5. Step 5: Solve for x
    x = 128,110.50/351.14
  6. Step 6: Final answer
    x = 364.85

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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.