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Finding the Fourth Proportional to 427,806.22, 590,372.76 and 234,226.48

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Solution

The fourth proportional to 427,806.22, 590,372.76 and 234,226.48 is: 323,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,806.22 : 590,372.76 = 234,226.48 : x
  2. Step 2: Convert to fraction form
    427,806.22/590,372.76 = 234,226.48/x
  3. Step 3: Cross multiply
    427,806.22x = 590,372.76 × 234,226.48
  4. Step 4: Simplify right side
    427,806.22x = 138,280,933,462.69
  5. Step 5: Solve for x
    x = 138,280,933,462.69/427,806.22
  6. Step 6: Final answer
    x = 323,232.64

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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.