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Finding the Fourth Proportional to 629,658.15, 944,766.41 and 330,067.23

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Solution

The fourth proportional to 629,658.15, 944,766.41 and 330,067.23 is: 495,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,658.15 : 944,766.41 = 330,067.23 : x
  2. Step 2: Convert to fraction form
    629,658.15/944,766.41 = 330,067.23/x
  3. Step 3: Cross multiply
    629,658.15x = 944,766.41 × 330,067.23
  4. Step 4: Simplify right side
    629,658.15x = 311,836,431,945.74
  5. Step 5: Solve for x
    x = 311,836,431,945.74/629,658.15
  6. Step 6: Final answer
    x = 495,247.19

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1.5x scale

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.