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Finding the Fourth Proportional to 629,908.30, 944,302.94 and 245,568.56

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Solution

The fourth proportional to 629,908.30, 944,302.94 and 245,568.56 is: 368,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,908.30 : 944,302.94 = 245,568.56 : x
  2. Step 2: Convert to fraction form
    629,908.30/944,302.94 = 245,568.56/x
  3. Step 3: Cross multiply
    629,908.30x = 944,302.94 × 245,568.56
  4. Step 4: Simplify right side
    629,908.30x = 231,891,113,179.57
  5. Step 5: Solve for x
    x = 231,891,113,179.57/629,908.30
  6. Step 6: Final answer
    x = 368,134.72

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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.