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Finding the Fourth Proportional to 951.10, 1,427.34 and 335.33

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Solution

The fourth proportional to 951.10, 1,427.34 and 335.33 is: 503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.10 : 1,427.34 = 335.33 : x
  2. Step 2: Convert to fraction form
    951.10/1,427.34 = 335.33/x
  3. Step 3: Cross multiply
    951.10x = 1,427.34 × 335.33
  4. Step 4: Simplify right side
    951.10x = 478,629.92
  5. Step 5: Solve for x
    x = 478,629.92/951.10
  6. Step 6: Final answer
    x = 503.24

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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.