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Finding the Fourth Proportional to 466.38, 699.66 and 235.38

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Solution

The fourth proportional to 466.38, 699.66 and 235.38 is: 353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.38 : 699.66 = 235.38 : x
  2. Step 2: Convert to fraction form
    466.38/699.66 = 235.38/x
  3. Step 3: Cross multiply
    466.38x = 699.66 × 235.38
  4. Step 4: Simplify right side
    466.38x = 164,685.97
  5. Step 5: Solve for x
    x = 164,685.97/466.38
  6. Step 6: Final answer
    x = 353.12

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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.