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Finding the Fourth Proportional to 969.50, 1,454.27 and 352.82

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Solution

The fourth proportional to 969.50, 1,454.27 and 352.82 is: 529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.50 : 1,454.27 = 352.82 : x
  2. Step 2: Convert to fraction form
    969.50/1,454.27 = 352.82/x
  3. Step 3: Cross multiply
    969.50x = 1,454.27 × 352.82
  4. Step 4: Simplify right side
    969.50x = 513,097.41
  5. Step 5: Solve for x
    x = 513,097.41/969.50
  6. Step 6: Final answer
    x = 529.24

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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.