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Finding the Fourth Proportional to 362.57, 539.49 and 361.36

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Solution

The fourth proportional to 362.57, 539.49 and 361.36 is: 537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.57 : 539.49 = 361.36 : x
  2. Step 2: Convert to fraction form
    362.57/539.49 = 361.36/x
  3. Step 3: Cross multiply
    362.57x = 539.49 × 361.36
  4. Step 4: Simplify right side
    362.57x = 194,949.10
  5. Step 5: Solve for x
    x = 194,949.10/362.57
  6. Step 6: Final answer
    x = 537.69

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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.