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Finding the Fourth Proportional to 969.25, 1,454.32 and 482.35

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Solution

The fourth proportional to 969.25, 1,454.32 and 482.35 is: 723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.25 : 1,454.32 = 482.35 : x
  2. Step 2: Convert to fraction form
    969.25/1,454.32 = 482.35/x
  3. Step 3: Cross multiply
    969.25x = 1,454.32 × 482.35
  4. Step 4: Simplify right side
    969.25x = 701,483.98
  5. Step 5: Solve for x
    x = 701,483.98/969.25
  6. Step 6: Final answer
    x = 723.74

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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.