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Finding the Fourth Proportional to 467.20, 700.57 and 158.95

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Solution

The fourth proportional to 467.20, 700.57 and 158.95 is: 238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.20 : 700.57 = 158.95 : x
  2. Step 2: Convert to fraction form
    467.20/700.57 = 158.95/x
  3. Step 3: Cross multiply
    467.20x = 700.57 × 158.95
  4. Step 4: Simplify right side
    467.20x = 111,355.60
  5. Step 5: Solve for x
    x = 111,355.60/467.20
  6. Step 6: Final answer
    x = 238.35

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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.