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Finding the Fourth Proportional to 629.75, 944.44 and 264.53

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Solution

The fourth proportional to 629.75, 944.44 and 264.53 is: 396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.75 : 944.44 = 264.53 : x
  2. Step 2: Convert to fraction form
    629.75/944.44 = 264.53/x
  3. Step 3: Cross multiply
    629.75x = 944.44 × 264.53
  4. Step 4: Simplify right side
    629.75x = 249,832.71
  5. Step 5: Solve for x
    x = 249,832.71/629.75
  6. Step 6: Final answer
    x = 396.72

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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.