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Finding the Fourth Proportional to 365,760.10, 503,627.44 and 320,183.02

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Solution

The fourth proportional to 365,760.10, 503,627.44 and 320,183.02 is: 440,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,760.10 : 503,627.44 = 320,183.02 : x
  2. Step 2: Convert to fraction form
    365,760.10/503,627.44 = 320,183.02/x
  3. Step 3: Cross multiply
    365,760.10x = 503,627.44 × 320,183.02
  4. Step 4: Simplify right side
    365,760.10x = 161,252,954,694.07
  5. Step 5: Solve for x
    x = 161,252,954,694.07/365,760.10
  6. Step 6: Final answer
    x = 440,870.82

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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.