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Finding the Fourth Proportional to 1,344.93, 2,016.30 and 575.97

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Solution

The fourth proportional to 1,344.93, 2,016.30 and 575.97 is: 863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.93 : 2,016.30 = 575.97 : x
  2. Step 2: Convert to fraction form
    1,344.93/2,016.30 = 575.97/x
  3. Step 3: Cross multiply
    1,344.93x = 2,016.30 × 575.97
  4. Step 4: Simplify right side
    1,344.93x = 1,161,328.31
  5. Step 5: Solve for x
    x = 1,161,328.31/1,344.93
  6. Step 6: Final answer
    x = 863.49

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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.