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Finding the Fourth Proportional to 320,676.68, 481,154.57 and 201,007.89

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Solution

The fourth proportional to 320,676.68, 481,154.57 and 201,007.89 is: 301,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,676.68 : 481,154.57 = 201,007.89 : x
  2. Step 2: Convert to fraction form
    320,676.68/481,154.57 = 201,007.89/x
  3. Step 3: Cross multiply
    320,676.68x = 481,154.57 × 201,007.89
  4. Step 4: Simplify right side
    320,676.68x = 96,715,864,879.56
  5. Step 5: Solve for x
    x = 96,715,864,879.56/320,676.68
  6. Step 6: Final answer
    x = 301,599.31

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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.