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Finding the Fourth Proportional to 941.28, 1,408.98 and 593.43

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Solution

The fourth proportional to 941.28, 1,408.98 and 593.43 is: 888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.28 : 1,408.98 = 593.43 : x
  2. Step 2: Convert to fraction form
    941.28/1,408.98 = 593.43/x
  3. Step 3: Cross multiply
    941.28x = 1,408.98 × 593.43
  4. Step 4: Simplify right side
    941.28x = 836,131.00
  5. Step 5: Solve for x
    x = 836,131.00/941.28
  6. Step 6: Final answer
    x = 888.29

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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.