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Finding the Fourth Proportional to 629,471.87, 944,486.91 and 329,881.22

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Solution

The fourth proportional to 629,471.87, 944,486.91 and 329,881.22 is: 494,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,471.87 : 944,486.91 = 329,881.22 : x
  2. Step 2: Convert to fraction form
    629,471.87/944,486.91 = 329,881.22/x
  3. Step 3: Cross multiply
    629,471.87x = 944,486.91 × 329,881.22
  4. Step 4: Simplify right side
    629,471.87x = 311,568,494,144.83
  5. Step 5: Solve for x
    x = 311,568,494,144.83/629,471.87
  6. Step 6: Final answer
    x = 494,968.10

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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.