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Finding the Fourth Proportional to 467.24, 699.90 and 322.28

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Solution

The fourth proportional to 467.24, 699.90 and 322.28 is: 482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.24 : 699.90 = 322.28 : x
  2. Step 2: Convert to fraction form
    467.24/699.90 = 322.28/x
  3. Step 3: Cross multiply
    467.24x = 699.90 × 322.28
  4. Step 4: Simplify right side
    467.24x = 225,563.77
  5. Step 5: Solve for x
    x = 225,563.77/467.24
  6. Step 6: Final answer
    x = 482.76

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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.