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Finding the Fourth Proportional to 467.16, 699.96 and 235.81

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Solution

The fourth proportional to 467.16, 699.96 and 235.81 is: 353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.16 : 699.96 = 235.81 : x
  2. Step 2: Convert to fraction form
    467.16/699.96 = 235.81/x
  3. Step 3: Cross multiply
    467.16x = 699.96 × 235.81
  4. Step 4: Simplify right side
    467.16x = 165,057.57
  5. Step 5: Solve for x
    x = 165,057.57/467.16
  6. Step 6: Final answer
    x = 353.32

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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.