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Finding the Fourth Proportional to 969.30, 1,454.49 and 896.94

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Solution

The fourth proportional to 969.30, 1,454.49 and 896.94 is: 1,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.30 : 1,454.49 = 896.94 : x
  2. Step 2: Convert to fraction form
    969.30/1,454.49 = 896.94/x
  3. Step 3: Cross multiply
    969.30x = 1,454.49 × 896.94
  4. Step 4: Simplify right side
    969.30x = 1,304,590.26
  5. Step 5: Solve for x
    x = 1,304,590.26/969.30
  6. Step 6: Final answer
    x = 1,345.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.