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Finding the Fourth Proportional to 967.24, 1,449.24 and 533.08

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Solution

The fourth proportional to 967.24, 1,449.24 and 533.08 is: 798.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.24 : 1,449.24 = 533.08 : x
  2. Step 2: Convert to fraction form
    967.24/1,449.24 = 533.08/x
  3. Step 3: Cross multiply
    967.24x = 1,449.24 × 533.08
  4. Step 4: Simplify right side
    967.24x = 772,560.86
  5. Step 5: Solve for x
    x = 772,560.86/967.24
  6. Step 6: Final answer
    x = 798.73

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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.