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Finding the Fourth Proportional to 515.60, 773.44 and 241.68

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Solution

The fourth proportional to 515.60, 773.44 and 241.68 is: 362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.60 : 773.44 = 241.68 : x
  2. Step 2: Convert to fraction form
    515.60/773.44 = 241.68/x
  3. Step 3: Cross multiply
    515.60x = 773.44 × 241.68
  4. Step 4: Simplify right side
    515.60x = 186,924.98
  5. Step 5: Solve for x
    x = 186,924.98/515.60
  6. Step 6: Final answer
    x = 362.54

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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.