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Finding the Fourth Proportional to 731.11, 1,095.42 and 441.94

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Solution

The fourth proportional to 731.11, 1,095.42 and 441.94 is: 662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.11 : 1,095.42 = 441.94 : x
  2. Step 2: Convert to fraction form
    731.11/1,095.42 = 441.94/x
  3. Step 3: Cross multiply
    731.11x = 1,095.42 × 441.94
  4. Step 4: Simplify right side
    731.11x = 484,108.83
  5. Step 5: Solve for x
    x = 484,108.83/731.11
  6. Step 6: Final answer
    x = 662.16

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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.