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Finding the Fourth Proportional to 629,476.49, 944,493.87 and 329,885.93

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Solution

The fourth proportional to 629,476.49, 944,493.87 and 329,885.93 is: 494,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,476.49 : 944,493.87 = 329,885.93 : x
  2. Step 2: Convert to fraction form
    629,476.49/944,493.87 = 329,885.93/x
  3. Step 3: Cross multiply
    629,476.49x = 944,493.87 × 329,885.93
  4. Step 4: Simplify right side
    629,476.49x = 311,575,238,684.25
  5. Step 5: Solve for x
    x = 311,575,238,684.25/629,476.49
  6. Step 6: Final answer
    x = 494,975.18

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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.