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Finding the Fourth Proportional to 943.23, 1,301.65 and 523.58

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Solution

The fourth proportional to 943.23, 1,301.65 and 523.58 is: 722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.23 : 1,301.65 = 523.58 : x
  2. Step 2: Convert to fraction form
    943.23/1,301.65 = 523.58/x
  3. Step 3: Cross multiply
    943.23x = 1,301.65 × 523.58
  4. Step 4: Simplify right side
    943.23x = 681,517.91
  5. Step 5: Solve for x
    x = 681,517.91/943.23
  6. Step 6: Final answer
    x = 722.54

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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.