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Finding the Fourth Proportional to 662.24, 913.88 and 367.50

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Solution

The fourth proportional to 662.24, 913.88 and 367.50 is: 507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.24 : 913.88 = 367.50 : x
  2. Step 2: Convert to fraction form
    662.24/913.88 = 367.50/x
  3. Step 3: Cross multiply
    662.24x = 913.88 × 367.50
  4. Step 4: Simplify right side
    662.24x = 335,855.25
  5. Step 5: Solve for x
    x = 335,855.25/662.24
  6. Step 6: Final answer
    x = 507.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.