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Finding the Fourth Proportional to 577.14, 866 and 441.06

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Solution

The fourth proportional to 577.14, 866 and 441.06 is: 661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.14 : 866 = 441.06 : x
  2. Step 2: Convert to fraction form
    577.14/866 = 441.06/x
  3. Step 3: Cross multiply
    577.14x = 866 × 441.06
  4. Step 4: Simplify right side
    577.14x = 381,957.96
  5. Step 5: Solve for x
    x = 381,957.96/577.14
  6. Step 6: Final answer
    x = 661.81

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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.