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Finding the Fourth Proportional to 562.36, 842.94 and 269.68

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Solution

The fourth proportional to 562.36, 842.94 and 269.68 is: 404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.36 : 842.94 = 269.68 : x
  2. Step 2: Convert to fraction form
    562.36/842.94 = 269.68/x
  3. Step 3: Cross multiply
    562.36x = 842.94 × 269.68
  4. Step 4: Simplify right side
    562.36x = 227,324.06
  5. Step 5: Solve for x
    x = 227,324.06/562.36
  6. Step 6: Final answer
    x = 404.23

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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.