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Finding the Fourth Proportional to 466.92, 699.98 and 261.36

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Solution

The fourth proportional to 466.92, 699.98 and 261.36 is: 391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.92 : 699.98 = 261.36 : x
  2. Step 2: Convert to fraction form
    466.92/699.98 = 261.36/x
  3. Step 3: Cross multiply
    466.92x = 699.98 × 261.36
  4. Step 4: Simplify right side
    466.92x = 182,945.47
  5. Step 5: Solve for x
    x = 182,945.47/466.92
  6. Step 6: Final answer
    x = 391.81

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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.