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Finding the Fourth Proportional to 351, 484.58 and 226.84

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Solution

The fourth proportional to 351, 484.58 and 226.84 is: 313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351 : 484.58 = 226.84 : x
  2. Step 2: Convert to fraction form
    351/484.58 = 226.84/x
  3. Step 3: Cross multiply
    351x = 484.58 × 226.84
  4. Step 4: Simplify right side
    351x = 109,922.13
  5. Step 5: Solve for x
    x = 109,922.13/351
  6. Step 6: Final answer
    x = 313.17

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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.