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Finding the Fourth Proportional to 366,983.20, 550,820.40 and 227,015.20

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Solution

The fourth proportional to 366,983.20, 550,820.40 and 227,015.20 is: 340,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,983.20 : 550,820.40 = 227,015.20 : x
  2. Step 2: Convert to fraction form
    366,983.20/550,820.40 = 227,015.20/x
  3. Step 3: Cross multiply
    366,983.20x = 550,820.40 × 227,015.20
  4. Step 4: Simplify right side
    366,983.20x = 125,044,603,270.08
  5. Step 5: Solve for x
    x = 125,044,603,270.08/366,983.20
  6. Step 6: Final answer
    x = 340,736.59

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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.