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Finding the Fourth Proportional to 467.63, 701.49 and 159.70

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Solution

The fourth proportional to 467.63, 701.49 and 159.70 is: 239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.63 : 701.49 = 159.70 : x
  2. Step 2: Convert to fraction form
    467.63/701.49 = 159.70/x
  3. Step 3: Cross multiply
    467.63x = 701.49 × 159.70
  4. Step 4: Simplify right side
    467.63x = 112,023.65
  5. Step 5: Solve for x
    x = 112,023.65/467.63
  6. Step 6: Final answer
    x = 239.56

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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.