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Finding the Fourth Proportional to 892.42, 1,232.42 and 736.60

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Solution

The fourth proportional to 892.42, 1,232.42 and 736.60 is: 1,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.42 : 1,232.42 = 736.60 : x
  2. Step 2: Convert to fraction form
    892.42/1,232.42 = 736.60/x
  3. Step 3: Cross multiply
    892.42x = 1,232.42 × 736.60
  4. Step 4: Simplify right side
    892.42x = 907,800.57
  5. Step 5: Solve for x
    x = 907,800.57/892.42
  6. Step 6: Final answer
    x = 1,017.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.