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Finding the Fourth Proportional to 539.36, 744.59 and 363.24

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Solution

The fourth proportional to 539.36, 744.59 and 363.24 is: 501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.36 : 744.59 = 363.24 : x
  2. Step 2: Convert to fraction form
    539.36/744.59 = 363.24/x
  3. Step 3: Cross multiply
    539.36x = 744.59 × 363.24
  4. Step 4: Simplify right side
    539.36x = 270,464.87
  5. Step 5: Solve for x
    x = 270,464.87/539.36
  6. Step 6: Final answer
    x = 501.46

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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.