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Finding the Fourth Proportional to 967.08, 1,449.33 and 528.54

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Solution

The fourth proportional to 967.08, 1,449.33 and 528.54 is: 792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.08 : 1,449.33 = 528.54 : x
  2. Step 2: Convert to fraction form
    967.08/1,449.33 = 528.54/x
  3. Step 3: Cross multiply
    967.08x = 1,449.33 × 528.54
  4. Step 4: Simplify right side
    967.08x = 766,028.88
  5. Step 5: Solve for x
    x = 766,028.88/967.08
  6. Step 6: Final answer
    x = 792.10

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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.