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Finding the Fourth Proportional to 503,137.15, 754,180.72 and 203,824.33

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Solution

The fourth proportional to 503,137.15, 754,180.72 and 203,824.33 is: 305,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,137.15 : 754,180.72 = 203,824.33 : x
  2. Step 2: Convert to fraction form
    503,137.15/754,180.72 = 203,824.33/x
  3. Step 3: Cross multiply
    503,137.15x = 754,180.72 × 203,824.33
  4. Step 4: Simplify right side
    503,137.15x = 153,720,377,557.91
  5. Step 5: Solve for x
    x = 153,720,377,557.91/503,137.15
  6. Step 6: Final answer
    x = 305,523.81

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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.