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Finding the Fourth Proportional to 337,997.21, 507,091.19 and 169,313.90

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Solution

The fourth proportional to 337,997.21, 507,091.19 and 169,313.90 is: 254,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,997.21 : 507,091.19 = 169,313.90 : x
  2. Step 2: Convert to fraction form
    337,997.21/507,091.19 = 169,313.90/x
  3. Step 3: Cross multiply
    337,997.21x = 507,091.19 × 169,313.90
  4. Step 4: Simplify right side
    337,997.21x = 85,857,583,652.52
  5. Step 5: Solve for x
    x = 85,857,583,652.52/337,997.21
  6. Step 6: Final answer
    x = 254,018.62

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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.