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Finding the Fourth Proportional to 467.24, 700.66 and 142.54

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Solution

The fourth proportional to 467.24, 700.66 and 142.54 is: 213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.24 : 700.66 = 142.54 : x
  2. Step 2: Convert to fraction form
    467.24/700.66 = 142.54/x
  3. Step 3: Cross multiply
    467.24x = 700.66 × 142.54
  4. Step 4: Simplify right side
    467.24x = 99,872.08
  5. Step 5: Solve for x
    x = 99,872.08/467.24
  6. Step 6: Final answer
    x = 213.75

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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.