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Finding the Fourth Proportional to 467.39, 700.81 and 159.16

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Solution

The fourth proportional to 467.39, 700.81 and 159.16 is: 238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.39 : 700.81 = 159.16 : x
  2. Step 2: Convert to fraction form
    467.39/700.81 = 159.16/x
  3. Step 3: Cross multiply
    467.39x = 700.81 × 159.16
  4. Step 4: Simplify right side
    467.39x = 111,540.92
  5. Step 5: Solve for x
    x = 111,540.92/467.39
  6. Step 6: Final answer
    x = 238.65

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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.