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Finding the Fourth Proportional to 467.89, 701.64 and 159.68

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Solution

The fourth proportional to 467.89, 701.64 and 159.68 is: 239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.89 : 701.64 = 159.68 : x
  2. Step 2: Convert to fraction form
    467.89/701.64 = 159.68/x
  3. Step 3: Cross multiply
    467.89x = 701.64 × 159.68
  4. Step 4: Simplify right side
    467.89x = 112,037.88
  5. Step 5: Solve for x
    x = 112,037.88/467.89
  6. Step 6: Final answer
    x = 239.45

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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.