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Finding the Fourth Proportional to 969.54, 1,454.01 and 482.46

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Solution

The fourth proportional to 969.54, 1,454.01 and 482.46 is: 723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.54 : 1,454.01 = 482.46 : x
  2. Step 2: Convert to fraction form
    969.54/1,454.01 = 482.46/x
  3. Step 3: Cross multiply
    969.54x = 1,454.01 × 482.46
  4. Step 4: Simplify right side
    969.54x = 701,501.66
  5. Step 5: Solve for x
    x = 701,501.66/969.54
  6. Step 6: Final answer
    x = 723.54

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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.