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Finding the Fourth Proportional to 629,796.62, 944,490.26 and 208,959.50

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Solution

The fourth proportional to 629,796.62, 944,490.26 and 208,959.50 is: 313,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,796.62 : 944,490.26 = 208,959.50 : x
  2. Step 2: Convert to fraction form
    629,796.62/944,490.26 = 208,959.50/x
  3. Step 3: Cross multiply
    629,796.62x = 944,490.26 × 208,959.50
  4. Step 4: Simplify right side
    629,796.62x = 197,360,212,484.47
  5. Step 5: Solve for x
    x = 197,360,212,484.47/629,796.62
  6. Step 6: Final answer
    x = 313,371.34

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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.