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Finding the Fourth Proportional to 737.28, 1,105.92 and 352.56

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Solution

The fourth proportional to 737.28, 1,105.92 and 352.56 is: 528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.28 : 1,105.92 = 352.56 : x
  2. Step 2: Convert to fraction form
    737.28/1,105.92 = 352.56/x
  3. Step 3: Cross multiply
    737.28x = 1,105.92 × 352.56
  4. Step 4: Simplify right side
    737.28x = 389,903.16
  5. Step 5: Solve for x
    x = 389,903.16/737.28
  6. Step 6: Final answer
    x = 528.84

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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.