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Finding the Fourth Proportional to 444.18, 613.26 and 351.30

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Solution

The fourth proportional to 444.18, 613.26 and 351.30 is: 485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.18 : 613.26 = 351.30 : x
  2. Step 2: Convert to fraction form
    444.18/613.26 = 351.30/x
  3. Step 3: Cross multiply
    444.18x = 613.26 × 351.30
  4. Step 4: Simplify right side
    444.18x = 215,438.24
  5. Step 5: Solve for x
    x = 215,438.24/444.18
  6. Step 6: Final answer
    x = 485.02

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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.