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Finding the Fourth Proportional to 515.37, 772.62 and 241.32

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Solution

The fourth proportional to 515.37, 772.62 and 241.32 is: 361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.37 : 772.62 = 241.32 : x
  2. Step 2: Convert to fraction form
    515.37/772.62 = 241.32/x
  3. Step 3: Cross multiply
    515.37x = 772.62 × 241.32
  4. Step 4: Simplify right side
    515.37x = 186,448.66
  5. Step 5: Solve for x
    x = 186,448.66/515.37
  6. Step 6: Final answer
    x = 361.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.