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Finding the Fourth Proportional to 1,084.31, 1,626.56 and 467.88

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Solution

The fourth proportional to 1,084.31, 1,626.56 and 467.88 is: 701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.31 : 1,626.56 = 467.88 : x
  2. Step 2: Convert to fraction form
    1,084.31/1,626.56 = 467.88/x
  3. Step 3: Cross multiply
    1,084.31x = 1,626.56 × 467.88
  4. Step 4: Simplify right side
    1,084.31x = 761,032.55
  5. Step 5: Solve for x
    x = 761,032.55/1,084.31
  6. Step 6: Final answer
    x = 701.86

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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.