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Finding the Fourth Proportional to 351, 484.35 and 226.52

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Solution

The fourth proportional to 351, 484.35 and 226.52 is: 312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351 : 484.35 = 226.52 : x
  2. Step 2: Convert to fraction form
    351/484.35 = 226.52/x
  3. Step 3: Cross multiply
    351x = 484.35 × 226.52
  4. Step 4: Simplify right side
    351x = 109,714.96
  5. Step 5: Solve for x
    x = 109,714.96/351
  6. Step 6: Final answer
    x = 312.58

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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.