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Finding the Fourth Proportional to 603,893.04, 905,321.04 and 337,435.44

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Solution

The fourth proportional to 603,893.04, 905,321.04 and 337,435.44 is: 505,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,893.04 : 905,321.04 = 337,435.44 : x
  2. Step 2: Convert to fraction form
    603,893.04/905,321.04 = 337,435.44/x
  3. Step 3: Cross multiply
    603,893.04x = 905,321.04 × 337,435.44
  4. Step 4: Simplify right side
    603,893.04x = 305,487,403,473.66
  5. Step 5: Solve for x
    x = 305,487,403,473.66/603,893.04
  6. Step 6: Final answer
    x = 505,863.43

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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.