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Finding the Fourth Proportional to 543,083.40, 814,722.30 and 227,572.20

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Solution

The fourth proportional to 543,083.40, 814,722.30 and 227,572.20 is: 341,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,083.40 : 814,722.30 = 227,572.20 : x
  2. Step 2: Convert to fraction form
    543,083.40/814,722.30 = 227,572.20/x
  3. Step 3: Cross multiply
    543,083.40x = 814,722.30 × 227,572.20
  4. Step 4: Simplify right side
    543,083.40x = 185,408,146,200.06
  5. Step 5: Solve for x
    x = 185,408,146,200.06/543,083.40
  6. Step 6: Final answer
    x = 341,399.03

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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.