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Finding the Fourth Proportional to 293.22, 440.91 and 269.46

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Solution

The fourth proportional to 293.22, 440.91 and 269.46 is: 405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.22 : 440.91 = 269.46 : x
  2. Step 2: Convert to fraction form
    293.22/440.91 = 269.46/x
  3. Step 3: Cross multiply
    293.22x = 440.91 × 269.46
  4. Step 4: Simplify right side
    293.22x = 118,807.61
  5. Step 5: Solve for x
    x = 118,807.61/293.22
  6. Step 6: Final answer
    x = 405.18

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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.