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Finding the Fourth Proportional to 373,997.11, 516,153.36 and 223,094.11

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Solution

The fourth proportional to 373,997.11, 516,153.36 and 223,094.11 is: 307,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,997.11 : 516,153.36 = 223,094.11 : x
  2. Step 2: Convert to fraction form
    373,997.11/516,153.36 = 223,094.11/x
  3. Step 3: Cross multiply
    373,997.11x = 516,153.36 × 223,094.11
  4. Step 4: Simplify right side
    373,997.11x = 115,150,774,472.71
  5. Step 5: Solve for x
    x = 115,150,774,472.71/373,997.11
  6. Step 6: Final answer
    x = 307,892.15

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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.