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Finding the Fourth Proportional to 544.11, 751.50 and 358.43

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Solution

The fourth proportional to 544.11, 751.50 and 358.43 is: 495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.11 : 751.50 = 358.43 : x
  2. Step 2: Convert to fraction form
    544.11/751.50 = 358.43/x
  3. Step 3: Cross multiply
    544.11x = 751.50 × 358.43
  4. Step 4: Simplify right side
    544.11x = 269,361.13
  5. Step 5: Solve for x
    x = 269,361.13/544.11
  6. Step 6: Final answer
    x = 495.05

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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.