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Finding the Fourth Proportional to 467,073.02, 644,665.68 and 305,834.42

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Solution

The fourth proportional to 467,073.02, 644,665.68 and 305,834.42 is: 422,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,073.02 : 644,665.68 = 305,834.42 : x
  2. Step 2: Convert to fraction form
    467,073.02/644,665.68 = 305,834.42/x
  3. Step 3: Cross multiply
    467,073.02x = 644,665.68 × 305,834.42
  4. Step 4: Simplify right side
    467,073.02x = 197,160,951,113.38
  5. Step 5: Solve for x
    x = 197,160,951,113.38/467,073.02
  6. Step 6: Final answer
    x = 422,120.19

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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.