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Finding the Fourth Proportional to 733.79, 1,012.61 and 471.96

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Solution

The fourth proportional to 733.79, 1,012.61 and 471.96 is: 651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.79 : 1,012.61 = 471.96 : x
  2. Step 2: Convert to fraction form
    733.79/1,012.61 = 471.96/x
  3. Step 3: Cross multiply
    733.79x = 1,012.61 × 471.96
  4. Step 4: Simplify right side
    733.79x = 477,912.60
  5. Step 5: Solve for x
    x = 477,912.60/733.79
  6. Step 6: Final answer
    x = 651.29

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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.