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Finding the Fourth Proportional to 1,173.27, 1,619.12 and 675.82

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Solution

The fourth proportional to 1,173.27, 1,619.12 and 675.82 is: 932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.27 : 1,619.12 = 675.82 : x
  2. Step 2: Convert to fraction form
    1,173.27/1,619.12 = 675.82/x
  3. Step 3: Cross multiply
    1,173.27x = 1,619.12 × 675.82
  4. Step 4: Simplify right side
    1,173.27x = 1,094,226.25
  5. Step 5: Solve for x
    x = 1,094,226.25/1,173.27
  6. Step 6: Final answer
    x = 932.63

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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.