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Finding the Fourth Proportional to 351.08, 484.44 and 234.80

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Solution

The fourth proportional to 351.08, 484.44 and 234.80 is: 323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.08 : 484.44 = 234.80 : x
  2. Step 2: Convert to fraction form
    351.08/484.44 = 234.80/x
  3. Step 3: Cross multiply
    351.08x = 484.44 × 234.80
  4. Step 4: Simplify right side
    351.08x = 113,746.51
  5. Step 5: Solve for x
    x = 113,746.51/351.08
  6. Step 6: Final answer
    x = 323.99

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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.