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Finding the Fourth Proportional to 548.01, 755.94 and 351.30

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Solution

The fourth proportional to 548.01, 755.94 and 351.30 is: 484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.01 : 755.94 = 351.30 : x
  2. Step 2: Convert to fraction form
    548.01/755.94 = 351.30/x
  3. Step 3: Cross multiply
    548.01x = 755.94 × 351.30
  4. Step 4: Simplify right side
    548.01x = 265,561.72
  5. Step 5: Solve for x
    x = 265,561.72/548.01
  6. Step 6: Final answer
    x = 484.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.