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Finding the Fourth Proportional to 969.84, 1,453.32 and 482.04

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Solution

The fourth proportional to 969.84, 1,453.32 and 482.04 is: 722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.84 : 1,453.32 = 482.04 : x
  2. Step 2: Convert to fraction form
    969.84/1,453.32 = 482.04/x
  3. Step 3: Cross multiply
    969.84x = 1,453.32 × 482.04
  4. Step 4: Simplify right side
    969.84x = 700,558.37
  5. Step 5: Solve for x
    x = 700,558.37/969.84
  6. Step 6: Final answer
    x = 722.34

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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.