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Finding the Fourth Proportional to 427,906.56, 590,520.26 and 234,322.44

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Solution

The fourth proportional to 427,906.56, 590,520.26 and 234,322.44 is: 323,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,906.56 : 590,520.26 = 234,322.44 : x
  2. Step 2: Convert to fraction form
    427,906.56/590,520.26 = 234,322.44/x
  3. Step 3: Cross multiply
    427,906.56x = 590,520.26 × 234,322.44
  4. Step 4: Simplify right side
    427,906.56x = 138,372,148,192.63
  5. Step 5: Solve for x
    x = 138,372,148,192.63/427,906.56
  6. Step 6: Final answer
    x = 323,370.01

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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.