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Finding the Fourth Proportional to 629,418.52, 944,302.98 and 274,463.80

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Solution

The fourth proportional to 629,418.52, 944,302.98 and 274,463.80 is: 411,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,418.52 : 944,302.98 = 274,463.80 : x
  2. Step 2: Convert to fraction form
    629,418.52/944,302.98 = 274,463.80/x
  3. Step 3: Cross multiply
    629,418.52x = 944,302.98 × 274,463.80
  4. Step 4: Simplify right side
    629,418.52x = 259,176,984,242.12
  5. Step 5: Solve for x
    x = 259,176,984,242.12/629,418.52
  6. Step 6: Final answer
    x = 411,772.10

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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.