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Finding the Fourth Proportional to 351.04, 484.56 and 234.64

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Solution

The fourth proportional to 351.04, 484.56 and 234.64 is: 323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.04 : 484.56 = 234.64 : x
  2. Step 2: Convert to fraction form
    351.04/484.56 = 234.64/x
  3. Step 3: Cross multiply
    351.04x = 484.56 × 234.64
  4. Step 4: Simplify right side
    351.04x = 113,697.16
  5. Step 5: Solve for x
    x = 113,697.16/351.04
  6. Step 6: Final answer
    x = 323.89

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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.