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Finding the Fourth Proportional to 400,593.50, 552,832.07 and 219,305.37

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Solution

The fourth proportional to 400,593.50, 552,832.07 and 219,305.37 is: 302,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,593.50 : 552,832.07 = 219,305.37 : x
  2. Step 2: Convert to fraction form
    400,593.50/552,832.07 = 219,305.37/x
  3. Step 3: Cross multiply
    400,593.50x = 552,832.07 × 219,305.37
  4. Step 4: Simplify right side
    400,593.50x = 121,239,041,659.22
  5. Step 5: Solve for x
    x = 121,239,041,659.22/400,593.50
  6. Step 6: Final answer
    x = 302,648.55

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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.