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Finding the Fourth Proportional to 629.94, 944.37 and 264.99

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Solution

The fourth proportional to 629.94, 944.37 and 264.99 is: 397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.94 : 944.37 = 264.99 : x
  2. Step 2: Convert to fraction form
    629.94/944.37 = 264.99/x
  3. Step 3: Cross multiply
    629.94x = 944.37 × 264.99
  4. Step 4: Simplify right side
    629.94x = 250,248.61
  5. Step 5: Solve for x
    x = 250,248.61/629.94
  6. Step 6: Final answer
    x = 397.26

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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.