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Finding the Fourth Proportional to 625.95, 938.25 and 333.14

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Solution

The fourth proportional to 625.95, 938.25 and 333.14 is: 499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.95 : 938.25 = 333.14 : x
  2. Step 2: Convert to fraction form
    625.95/938.25 = 333.14/x
  3. Step 3: Cross multiply
    625.95x = 938.25 × 333.14
  4. Step 4: Simplify right side
    625.95x = 312,563.91
  5. Step 5: Solve for x
    x = 312,563.91/625.95
  6. Step 6: Final answer
    x = 499.34

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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.