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Finding the Fourth Proportional to 952.43, 1,428.17 and 335.95

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Solution

The fourth proportional to 952.43, 1,428.17 and 335.95 is: 503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.43 : 1,428.17 = 335.95 : x
  2. Step 2: Convert to fraction form
    952.43/1,428.17 = 335.95/x
  3. Step 3: Cross multiply
    952.43x = 1,428.17 × 335.95
  4. Step 4: Simplify right side
    952.43x = 479,788.46
  5. Step 5: Solve for x
    x = 479,788.46/952.43
  6. Step 6: Final answer
    x = 503.75

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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.