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Finding the Fourth Proportional to 629, 943.68 and 244.36

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Solution

The fourth proportional to 629, 943.68 and 244.36 is: 366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    629 : 943.68 = 244.36 : x
  2. Step 2: Convert to fraction form
    629/943.68 = 244.36/x
  3. Step 3: Cross multiply
    629x = 943.68 × 244.36
  4. Step 4: Simplify right side
    629x = 230,597.64
  5. Step 5: Solve for x
    x = 230,597.64/629
  6. Step 6: Final answer
    x = 366.61

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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.