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Finding the Fourth Proportional to 323,082.15, 445,991.22 and 230,007.89

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Solution

The fourth proportional to 323,082.15, 445,991.22 and 230,007.89 is: 317,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,082.15 : 445,991.22 = 230,007.89 : x
  2. Step 2: Convert to fraction form
    323,082.15/445,991.22 = 230,007.89/x
  3. Step 3: Cross multiply
    323,082.15x = 445,991.22 × 230,007.89
  4. Step 4: Simplify right side
    323,082.15x = 102,581,497,240.77
  5. Step 5: Solve for x
    x = 102,581,497,240.77/323,082.15
  6. Step 6: Final answer
    x = 317,509.02

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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.