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Finding the Fourth Proportional to 320,959.50, 481,540.02 and 193,023.06

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Solution

The fourth proportional to 320,959.50, 481,540.02 and 193,023.06 is: 289,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,959.50 : 481,540.02 = 193,023.06 : x
  2. Step 2: Convert to fraction form
    320,959.50/481,540.02 = 193,023.06/x
  3. Step 3: Cross multiply
    320,959.50x = 481,540.02 × 193,023.06
  4. Step 4: Simplify right side
    320,959.50x = 92,948,328,172.86
  5. Step 5: Solve for x
    x = 92,948,328,172.86/320,959.50
  6. Step 6: Final answer
    x = 289,595.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.