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Finding the Fourth Proportional to 683,963.21, 943,872.94 and 373,866.22

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Solution

The fourth proportional to 683,963.21, 943,872.94 and 373,866.22 is: 515,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,963.21 : 943,872.94 = 373,866.22 : x
  2. Step 2: Convert to fraction form
    683,963.21/943,872.94 = 373,866.22/x
  3. Step 3: Cross multiply
    683,963.21x = 943,872.94 × 373,866.22
  4. Step 4: Simplify right side
    683,963.21x = 352,882,202,472.98
  5. Step 5: Solve for x
    x = 352,882,202,472.98/683,963.21
  6. Step 6: Final answer
    x = 515,937.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.