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Finding the Fourth Proportional to 736.24, 1,102.64 and 626.26

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Solution

The fourth proportional to 736.24, 1,102.64 and 626.26 is: 937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.24 : 1,102.64 = 626.26 : x
  2. Step 2: Convert to fraction form
    736.24/1,102.64 = 626.26/x
  3. Step 3: Cross multiply
    736.24x = 1,102.64 × 626.26
  4. Step 4: Simplify right side
    736.24x = 690,539.33
  5. Step 5: Solve for x
    x = 690,539.33/736.24
  6. Step 6: Final answer
    x = 937.93

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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.