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Finding the Fourth Proportional to 367.35, 507.11 and 220.07

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Solution

The fourth proportional to 367.35, 507.11 and 220.07 is: 303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.35 : 507.11 = 220.07 : x
  2. Step 2: Convert to fraction form
    367.35/507.11 = 220.07/x
  3. Step 3: Cross multiply
    367.35x = 507.11 × 220.07
  4. Step 4: Simplify right side
    367.35x = 111,598.25
  5. Step 5: Solve for x
    x = 111,598.25/367.35
  6. Step 6: Final answer
    x = 303.79

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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.