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Finding the Fourth Proportional to 544.43, 751.16 and 323.36

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Solution

The fourth proportional to 544.43, 751.16 and 323.36 is: 446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.43 : 751.16 = 323.36 : x
  2. Step 2: Convert to fraction form
    544.43/751.16 = 323.36/x
  3. Step 3: Cross multiply
    544.43x = 751.16 × 323.36
  4. Step 4: Simplify right side
    544.43x = 242,889.73
  5. Step 5: Solve for x
    x = 242,889.73/544.43
  6. Step 6: Final answer
    x = 446.14

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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.