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Finding the Fourth Proportional to 603,843.27, 905,669.78 and 501,915.13

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Solution

The fourth proportional to 603,843.27, 905,669.78 and 501,915.13 is: 752,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,843.27 : 905,669.78 = 501,915.13 : x
  2. Step 2: Convert to fraction form
    603,843.27/905,669.78 = 501,915.13/x
  3. Step 3: Cross multiply
    603,843.27x = 905,669.78 × 501,915.13
  4. Step 4: Simplify right side
    603,843.27x = 454,569,367,629.95
  5. Step 5: Solve for x
    x = 454,569,367,629.95/603,843.27
  6. Step 6: Final answer
    x = 752,793.64

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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.