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Finding the Fourth Proportional to 467.24, 699.72 and 250.28

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Solution

The fourth proportional to 467.24, 699.72 and 250.28 is: 374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.24 : 699.72 = 250.28 : x
  2. Step 2: Convert to fraction form
    467.24/699.72 = 250.28/x
  3. Step 3: Cross multiply
    467.24x = 699.72 × 250.28
  4. Step 4: Simplify right side
    467.24x = 175,125.92
  5. Step 5: Solve for x
    x = 175,125.92/467.24
  6. Step 6: Final answer
    x = 374.81

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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.