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Finding the Fourth Proportional to 351.54, 484.38 and 264.06

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Solution

The fourth proportional to 351.54, 484.38 and 264.06 is: 363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.54 : 484.38 = 264.06 : x
  2. Step 2: Convert to fraction form
    351.54/484.38 = 264.06/x
  3. Step 3: Cross multiply
    351.54x = 484.38 × 264.06
  4. Step 4: Simplify right side
    351.54x = 127,905.38
  5. Step 5: Solve for x
    x = 127,905.38/351.54
  6. Step 6: Final answer
    x = 363.84

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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.