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Finding the Fourth Proportional to 444.11, 662.92 and 411.98

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Solution

The fourth proportional to 444.11, 662.92 and 411.98 is: 614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.11 : 662.92 = 411.98 : x
  2. Step 2: Convert to fraction form
    444.11/662.92 = 411.98/x
  3. Step 3: Cross multiply
    444.11x = 662.92 × 411.98
  4. Step 4: Simplify right side
    444.11x = 273,107.72
  5. Step 5: Solve for x
    x = 273,107.72/444.11
  6. Step 6: Final answer
    x = 614.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.