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Finding the Fourth Proportional to 1,086.73, 1,630.80 and 600.13

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Solution

The fourth proportional to 1,086.73, 1,630.80 and 600.13 is: 900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.73 : 1,630.80 = 600.13 : x
  2. Step 2: Convert to fraction form
    1,086.73/1,630.80 = 600.13/x
  3. Step 3: Cross multiply
    1,086.73x = 1,630.80 × 600.13
  4. Step 4: Simplify right side
    1,086.73x = 978,692.00
  5. Step 5: Solve for x
    x = 978,692.00/1,086.73
  6. Step 6: Final answer
    x = 900.58

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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.