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Finding the Fourth Proportional to 629,339.11, 944,149.67 and 229,969.67

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Solution

The fourth proportional to 629,339.11, 944,149.67 and 229,969.67 is: 345,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,339.11 : 944,149.67 = 229,969.67 : x
  2. Step 2: Convert to fraction form
    629,339.11/944,149.67 = 229,969.67/x
  3. Step 3: Cross multiply
    629,339.11x = 944,149.67 × 229,969.67
  4. Step 4: Simplify right side
    629,339.11x = 217,125,790,975.81
  5. Step 5: Solve for x
    x = 217,125,790,975.81/629,339.11
  6. Step 6: Final answer
    x = 345,006.04

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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.