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Finding the Fourth Proportional to 943.91, 1,412.92 and 596.73

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Solution

The fourth proportional to 943.91, 1,412.92 and 596.73 is: 893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.91 : 1,412.92 = 596.73 : x
  2. Step 2: Convert to fraction form
    943.91/1,412.92 = 596.73/x
  3. Step 3: Cross multiply
    943.91x = 1,412.92 × 596.73
  4. Step 4: Simplify right side
    943.91x = 843,127.57
  5. Step 5: Solve for x
    x = 843,127.57/943.91
  6. Step 6: Final answer
    x = 893.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.