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Finding the Fourth Proportional to 503,481.96, 755,224.92 and 203,968.32

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Solution

The fourth proportional to 503,481.96, 755,224.92 and 203,968.32 is: 305,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,481.96 : 755,224.92 = 203,968.32 : x
  2. Step 2: Convert to fraction form
    503,481.96/755,224.92 = 203,968.32/x
  3. Step 3: Cross multiply
    503,481.96x = 755,224.92 × 203,968.32
  4. Step 4: Simplify right side
    503,481.96x = 154,041,958,154.53
  5. Step 5: Solve for x
    x = 154,041,958,154.53/503,481.96
  6. Step 6: Final answer
    x = 305,953.28

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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.