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Finding the Fourth Proportional to 467.79, 701.75 and 159.56

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Solution

The fourth proportional to 467.79, 701.75 and 159.56 is: 239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.79 : 701.75 = 159.56 : x
  2. Step 2: Convert to fraction form
    467.79/701.75 = 159.56/x
  3. Step 3: Cross multiply
    467.79x = 701.75 × 159.56
  4. Step 4: Simplify right side
    467.79x = 111,966.92
  5. Step 5: Solve for x
    x = 111,966.92/467.79
  6. Step 6: Final answer
    x = 239.36

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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.