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Finding the Fourth Proportional to 629.11, 944.75 and 532.99

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Solution

The fourth proportional to 629.11, 944.75 and 532.99 is: 800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.11 : 944.75 = 532.99 : x
  2. Step 2: Convert to fraction form
    629.11/944.75 = 532.99/x
  3. Step 3: Cross multiply
    629.11x = 944.75 × 532.99
  4. Step 4: Simplify right side
    629.11x = 503,542.30
  5. Step 5: Solve for x
    x = 503,542.30/629.11
  6. Step 6: Final answer
    x = 800.40

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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.