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Finding the Fourth Proportional to 951.73, 1,427.68 and 335.38

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Solution

The fourth proportional to 951.73, 1,427.68 and 335.38 is: 503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.73 : 1,427.68 = 335.38 : x
  2. Step 2: Convert to fraction form
    951.73/1,427.68 = 335.38/x
  3. Step 3: Cross multiply
    951.73x = 1,427.68 × 335.38
  4. Step 4: Simplify right side
    951.73x = 478,813.64
  5. Step 5: Solve for x
    x = 478,813.64/951.73
  6. Step 6: Final answer
    x = 503.10

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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.