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Finding the Fourth Proportional to 1,147.75, 1,722.09 and 600.32

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Solution

The fourth proportional to 1,147.75, 1,722.09 and 600.32 is: 900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.75 : 1,722.09 = 600.32 : x
  2. Step 2: Convert to fraction form
    1,147.75/1,722.09 = 600.32/x
  3. Step 3: Cross multiply
    1,147.75x = 1,722.09 × 600.32
  4. Step 4: Simplify right side
    1,147.75x = 1,033,805.07
  5. Step 5: Solve for x
    x = 1,033,805.07/1,147.75
  6. Step 6: Final answer
    x = 900.72

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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.