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Finding the Fourth Proportional to 323,963.29, 447,158.26 and 188,041.03

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Solution

The fourth proportional to 323,963.29, 447,158.26 and 188,041.03 is: 259,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,963.29 : 447,158.26 = 188,041.03 : x
  2. Step 2: Convert to fraction form
    323,963.29/447,158.26 = 188,041.03/x
  3. Step 3: Cross multiply
    323,963.29x = 447,158.26 × 188,041.03
  4. Step 4: Simplify right side
    323,963.29x = 84,084,099,783.41
  5. Step 5: Solve for x
    x = 84,084,099,783.41/323,963.29
  6. Step 6: Final answer
    x = 259,548.23

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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.