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Finding the Fourth Proportional to 1,147.94, 1,721.96 and 600.28

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Solution

The fourth proportional to 1,147.94, 1,721.96 and 600.28 is: 900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.94 : 1,721.96 = 600.28 : x
  2. Step 2: Convert to fraction form
    1,147.94/1,721.96 = 600.28/x
  3. Step 3: Cross multiply
    1,147.94x = 1,721.96 × 600.28
  4. Step 4: Simplify right side
    1,147.94x = 1,033,653.09
  5. Step 5: Solve for x
    x = 1,033,653.09/1,147.94
  6. Step 6: Final answer
    x = 900.44

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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.