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Finding the Fourth Proportional to 969.03, 1,454.49 and 482.42

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Solution

The fourth proportional to 969.03, 1,454.49 and 482.42 is: 724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.03 : 1,454.49 = 482.42 : x
  2. Step 2: Convert to fraction form
    969.03/1,454.49 = 482.42/x
  3. Step 3: Cross multiply
    969.03x = 1,454.49 × 482.42
  4. Step 4: Simplify right side
    969.03x = 701,678.70
  5. Step 5: Solve for x
    x = 701,678.70/969.03
  6. Step 6: Final answer
    x = 724.10

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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.