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Finding the Fourth Proportional to 441.11, 607.58 and 408.27

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Solution

The fourth proportional to 441.11, 607.58 and 408.27 is: 562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.11 : 607.58 = 408.27 : x
  2. Step 2: Convert to fraction form
    441.11/607.58 = 408.27/x
  3. Step 3: Cross multiply
    441.11x = 607.58 × 408.27
  4. Step 4: Simplify right side
    441.11x = 248,057.71
  5. Step 5: Solve for x
    x = 248,057.71/441.11
  6. Step 6: Final answer
    x = 562.35

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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.