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Finding the Fourth Proportional to 951.69, 1,427.27 and 335.31

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Solution

The fourth proportional to 951.69, 1,427.27 and 335.31 is: 502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.69 : 1,427.27 = 335.31 : x
  2. Step 2: Convert to fraction form
    951.69/1,427.27 = 335.31/x
  3. Step 3: Cross multiply
    951.69x = 1,427.27 × 335.31
  4. Step 4: Simplify right side
    951.69x = 478,581.35
  5. Step 5: Solve for x
    x = 478,581.35/951.69
  6. Step 6: Final answer
    x = 502.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.