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Finding the Fourth Proportional to 467.28, 700.98 and 159.05

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Solution

The fourth proportional to 467.28, 700.98 and 159.05 is: 238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.28 : 700.98 = 159.05 : x
  2. Step 2: Convert to fraction form
    467.28/700.98 = 159.05/x
  3. Step 3: Cross multiply
    467.28x = 700.98 × 159.05
  4. Step 4: Simplify right side
    467.28x = 111,490.59
  5. Step 5: Solve for x
    x = 111,490.59/467.28
  6. Step 6: Final answer
    x = 238.59

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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.