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Finding the Fourth Proportional to 629,366.12, 943,845.02 and 208,529

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Solution

The fourth proportional to 629,366.12, 943,845.02 and 208,529 is: 312,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,366.12 : 943,845.02 = 208,529 : x
  2. Step 2: Convert to fraction form
    629,366.12/943,845.02 = 208,529/x
  3. Step 3: Cross multiply
    629,366.12x = 943,845.02 × 208,529
  4. Step 4: Simplify right side
    629,366.12x = 196,819,058,175.58
  5. Step 5: Solve for x
    x = 196,819,058,175.58/629,366.12
  6. Step 6: Final answer
    x = 312,725.86

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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.