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Finding the Fourth Proportional to 515.28, 773.01 and 150.24

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Solution

The fourth proportional to 515.28, 773.01 and 150.24 is: 225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.28 : 773.01 = 150.24 : x
  2. Step 2: Convert to fraction form
    515.28/773.01 = 150.24/x
  3. Step 3: Cross multiply
    515.28x = 773.01 × 150.24
  4. Step 4: Simplify right side
    515.28x = 116,137.02
  5. Step 5: Solve for x
    x = 116,137.02/515.28
  6. Step 6: Final answer
    x = 225.39

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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.