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Finding the Fourth Proportional to 1,597.57, 2,396.22 and 443.32

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Solution

The fourth proportional to 1,597.57, 2,396.22 and 443.32 is: 664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.57 : 2,396.22 = 443.32 : x
  2. Step 2: Convert to fraction form
    1,597.57/2,396.22 = 443.32/x
  3. Step 3: Cross multiply
    1,597.57x = 2,396.22 × 443.32
  4. Step 4: Simplify right side
    1,597.57x = 1,062,292.25
  5. Step 5: Solve for x
    x = 1,062,292.25/1,597.57
  6. Step 6: Final answer
    x = 664.94

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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.