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Finding the Fourth Proportional to 441.36, 660.42 and 372.24

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Solution

The fourth proportional to 441.36, 660.42 and 372.24 is: 556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.36 : 660.42 = 372.24 : x
  2. Step 2: Convert to fraction form
    441.36/660.42 = 372.24/x
  3. Step 3: Cross multiply
    441.36x = 660.42 × 372.24
  4. Step 4: Simplify right side
    441.36x = 245,834.74
  5. Step 5: Solve for x
    x = 245,834.74/441.36
  6. Step 6: Final answer
    x = 556.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.