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Finding the Fourth Proportional to 373,142.36, 514,936.62 and 211,997.67

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Solution

The fourth proportional to 373,142.36, 514,936.62 and 211,997.67 is: 292,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,142.36 : 514,936.62 = 211,997.67 : x
  2. Step 2: Convert to fraction form
    373,142.36/514,936.62 = 211,997.67/x
  3. Step 3: Cross multiply
    373,142.36x = 514,936.62 × 211,997.67
  4. Step 4: Simplify right side
    373,142.36x = 109,165,363,637.68
  5. Step 5: Solve for x
    x = 109,165,363,637.68/373,142.36
  6. Step 6: Final answer
    x = 292,556.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.