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Finding the Fourth Proportional to 951.44, 1,427.34 and 335.17

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Solution

The fourth proportional to 951.44, 1,427.34 and 335.17 is: 502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.44 : 1,427.34 = 335.17 : x
  2. Step 2: Convert to fraction form
    951.44/1,427.34 = 335.17/x
  3. Step 3: Cross multiply
    951.44x = 1,427.34 × 335.17
  4. Step 4: Simplify right side
    951.44x = 478,392.74
  5. Step 5: Solve for x
    x = 478,392.74/951.44
  6. Step 6: Final answer
    x = 502.81

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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.