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Finding the Fourth Proportional to 580,469.16, 870,953.22 and 300,183.24

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Solution

The fourth proportional to 580,469.16, 870,953.22 and 300,183.24 is: 450,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,469.16 : 870,953.22 = 300,183.24 : x
  2. Step 2: Convert to fraction form
    580,469.16/870,953.22 = 300,183.24/x
  3. Step 3: Cross multiply
    580,469.16x = 870,953.22 × 300,183.24
  4. Step 4: Simplify right side
    580,469.16x = 261,445,559,468.03
  5. Step 5: Solve for x
    x = 261,445,559,468.03/580,469.16
  6. Step 6: Final answer
    x = 450,403.88

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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.