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Finding the Fourth Proportional to 969.08, 1,452.87 and 482.47

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Solution

The fourth proportional to 969.08, 1,452.87 and 482.47 is: 723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.08 : 1,452.87 = 482.47 : x
  2. Step 2: Convert to fraction form
    969.08/1,452.87 = 482.47/x
  3. Step 3: Cross multiply
    969.08x = 1,452.87 × 482.47
  4. Step 4: Simplify right side
    969.08x = 700,962.56
  5. Step 5: Solve for x
    x = 700,962.56/969.08
  6. Step 6: Final answer
    x = 723.33

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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.