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Finding the Fourth Proportional to 629,323.32, 943,635.06 and 208,369.56

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Solution

The fourth proportional to 629,323.32, 943,635.06 and 208,369.56 is: 312,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,323.32 : 943,635.06 = 208,369.56 : x
  2. Step 2: Convert to fraction form
    629,323.32/943,635.06 = 208,369.56/x
  3. Step 3: Cross multiply
    629,323.32x = 943,635.06 × 208,369.56
  4. Step 4: Simplify right side
    629,323.32x = 196,624,822,252.77
  5. Step 5: Solve for x
    x = 196,624,822,252.77/629,323.32
  6. Step 6: Final answer
    x = 312,438.48

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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.