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Finding the Fourth Proportional to 629,469.13, 944,482.79 and 329,878.48

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Solution

The fourth proportional to 629,469.13, 944,482.79 and 329,878.48 is: 494,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,469.13 : 944,482.79 = 329,878.48 : x
  2. Step 2: Convert to fraction form
    629,469.13/944,482.79 = 329,878.48/x
  3. Step 3: Cross multiply
    629,469.13x = 944,482.79 × 329,878.48
  4. Step 4: Simplify right side
    629,469.13x = 311,564,545,614.85
  5. Step 5: Solve for x
    x = 311,564,545,614.85/629,469.13
  6. Step 6: Final answer
    x = 494,963.98

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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.