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Finding the Fourth Proportional to 2,273, 3,409.48 and 629.56

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Solution

The fourth proportional to 2,273, 3,409.48 and 629.56 is: 944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273 : 3,409.48 = 629.56 : x
  2. Step 2: Convert to fraction form
    2,273/3,409.48 = 629.56/x
  3. Step 3: Cross multiply
    2,273x = 3,409.48 × 629.56
  4. Step 4: Simplify right side
    2,273x = 2,146,472.23
  5. Step 5: Solve for x
    x = 2,146,472.23/2,273
  6. Step 6: Final answer
    x = 944.33

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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.