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Finding the Fourth Proportional to 325,871.17, 449,720.71 and 182,640.45

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Solution

The fourth proportional to 325,871.17, 449,720.71 and 182,640.45 is: 252,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,871.17 : 449,720.71 = 182,640.45 : x
  2. Step 2: Convert to fraction form
    325,871.17/449,720.71 = 182,640.45/x
  3. Step 3: Cross multiply
    325,871.17x = 449,720.71 × 182,640.45
  4. Step 4: Simplify right side
    325,871.17x = 82,137,194,078.57
  5. Step 5: Solve for x
    x = 82,137,194,078.57/325,871.17
  6. Step 6: Final answer
    x = 252,054.19

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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.