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Finding the Fourth Proportional to 736.38, 1,017.24 and 588.84

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Solution

The fourth proportional to 736.38, 1,017.24 and 588.84 is: 813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.38 : 1,017.24 = 588.84 : x
  2. Step 2: Convert to fraction form
    736.38/1,017.24 = 588.84/x
  3. Step 3: Cross multiply
    736.38x = 1,017.24 × 588.84
  4. Step 4: Simplify right side
    736.38x = 598,991.60
  5. Step 5: Solve for x
    x = 598,991.60/736.38
  6. Step 6: Final answer
    x = 813.43

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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.