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Finding the Fourth Proportional to 1,084.43, 1,627.32 and 468.29

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Solution

The fourth proportional to 1,084.43, 1,627.32 and 468.29 is: 702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.43 : 1,627.32 = 468.29 : x
  2. Step 2: Convert to fraction form
    1,084.43/1,627.32 = 468.29/x
  3. Step 3: Cross multiply
    1,084.43x = 1,627.32 × 468.29
  4. Step 4: Simplify right side
    1,084.43x = 762,057.68
  5. Step 5: Solve for x
    x = 762,057.68/1,084.43
  6. Step 6: Final answer
    x = 702.73

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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.