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Finding the Fourth Proportional to 320,684.77, 481,166.67 and 201,015.94

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Solution

The fourth proportional to 320,684.77, 481,166.67 and 201,015.94 is: 301,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,684.77 : 481,166.67 = 201,015.94 : x
  2. Step 2: Convert to fraction form
    320,684.77/481,166.67 = 201,015.94/x
  3. Step 3: Cross multiply
    320,684.77x = 481,166.67 × 201,015.94
  4. Step 4: Simplify right side
    320,684.77x = 96,722,170,466.72
  5. Step 5: Solve for x
    x = 96,722,170,466.72/320,684.77
  6. Step 6: Final answer
    x = 301,611.36

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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.