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Finding the Fourth Proportional to 629,448.52, 944,347.98 and 274,493.80

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Solution

The fourth proportional to 629,448.52, 944,347.98 and 274,493.80 is: 411,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,448.52 : 944,347.98 = 274,493.80 : x
  2. Step 2: Convert to fraction form
    629,448.52/944,347.98 = 274,493.80/x
  3. Step 3: Cross multiply
    629,448.52x = 944,347.98 × 274,493.80
  4. Step 4: Simplify right side
    629,448.52x = 259,217,665,552.52
  5. Step 5: Solve for x
    x = 259,217,665,552.52/629,448.52
  6. Step 6: Final answer
    x = 411,817.10

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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.