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Finding the Fourth Proportional to 629,101.26, 943,662.83 and 208,388.07

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Solution

The fourth proportional to 629,101.26, 943,662.83 and 208,388.07 is: 312,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,101.26 : 943,662.83 = 208,388.07 : x
  2. Step 2: Convert to fraction form
    629,101.26/943,662.83 = 208,388.07/x
  3. Step 3: Cross multiply
    629,101.26x = 943,662.83 × 208,388.07
  4. Step 4: Simplify right side
    629,101.26x = 196,648,074,832.50
  5. Step 5: Solve for x
    x = 196,648,074,832.50/629,101.26
  6. Step 6: Final answer
    x = 312,585.73

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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.