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Finding the Fourth Proportional to 629,469.90, 944,483.91 and 329,879.25

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Solution

The fourth proportional to 629,469.90, 944,483.91 and 329,879.25 is: 494,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,469.90 : 944,483.91 = 329,879.25 : x
  2. Step 2: Convert to fraction form
    629,469.90/944,483.91 = 329,879.25/x
  3. Step 3: Cross multiply
    629,469.90x = 944,483.91 × 329,879.25
  4. Step 4: Simplify right side
    629,469.90x = 311,565,643,867.87
  5. Step 5: Solve for x
    x = 311,565,643,867.87/629,469.90
  6. Step 6: Final answer
    x = 494,965.12

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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.