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Finding the Fourth Proportional to 539.83, 744.53 and 362.73

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Solution

The fourth proportional to 539.83, 744.53 and 362.73 is: 500.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.83 : 744.53 = 362.73 : x
  2. Step 2: Convert to fraction form
    539.83/744.53 = 362.73/x
  3. Step 3: Cross multiply
    539.83x = 744.53 × 362.73
  4. Step 4: Simplify right side
    539.83x = 270,064.27
  5. Step 5: Solve for x
    x = 270,064.27/539.83
  6. Step 6: Final answer
    x = 500.28

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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.