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Finding the Fourth Proportional to 951.97, 1,427.97 and 336.12

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Solution

The fourth proportional to 951.97, 1,427.97 and 336.12 is: 504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.97 : 1,427.97 = 336.12 : x
  2. Step 2: Convert to fraction form
    951.97/1,427.97 = 336.12/x
  3. Step 3: Cross multiply
    951.97x = 1,427.97 × 336.12
  4. Step 4: Simplify right side
    951.97x = 479,969.28
  5. Step 5: Solve for x
    x = 479,969.28/951.97
  6. Step 6: Final answer
    x = 504.19

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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.