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Finding the Fourth Proportional to 629,723.54, 944,366.60 and 208,901

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Solution

The fourth proportional to 629,723.54, 944,366.60 and 208,901 is: 313,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,723.54 : 944,366.60 = 208,901 : x
  2. Step 2: Convert to fraction form
    629,723.54/944,366.60 = 208,901/x
  3. Step 3: Cross multiply
    629,723.54x = 944,366.60 × 208,901
  4. Step 4: Simplify right side
    629,723.54x = 197,279,127,106.60
  5. Step 5: Solve for x
    x = 197,279,127,106.60/629,723.54
  6. Step 6: Final answer
    x = 313,278.95

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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.