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Finding the Fourth Proportional to 1,107.62, 1,528.48 and 610.26

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Solution

The fourth proportional to 1,107.62, 1,528.48 and 610.26 is: 842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107.62 : 1,528.48 = 610.26 : x
  2. Step 2: Convert to fraction form
    1,107.62/1,528.48 = 610.26/x
  3. Step 3: Cross multiply
    1,107.62x = 1,528.48 × 610.26
  4. Step 4: Simplify right side
    1,107.62x = 932,770.20
  5. Step 5: Solve for x
    x = 932,770.20/1,107.62
  6. Step 6: Final answer
    x = 842.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.