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Finding the Fourth Proportional to 1,728.97, 2,593.06 and 496.37

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Solution

The fourth proportional to 1,728.97, 2,593.06 and 496.37 is: 744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.97 : 2,593.06 = 496.37 : x
  2. Step 2: Convert to fraction form
    1,728.97/2,593.06 = 496.37/x
  3. Step 3: Cross multiply
    1,728.97x = 2,593.06 × 496.37
  4. Step 4: Simplify right side
    1,728.97x = 1,287,117.19
  5. Step 5: Solve for x
    x = 1,287,117.19/1,728.97
  6. Step 6: Final answer
    x = 744.44

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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.