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Finding the Fourth Proportional to 329,042.94, 453,848.31 and 227,109.30

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Solution

The fourth proportional to 329,042.94, 453,848.31 and 227,109.30 is: 313,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,042.94 : 453,848.31 = 227,109.30 : x
  2. Step 2: Convert to fraction form
    329,042.94/453,848.31 = 227,109.30/x
  3. Step 3: Cross multiply
    329,042.94x = 453,848.31 × 227,109.30
  4. Step 4: Simplify right side
    329,042.94x = 103,073,171,990.28
  5. Step 5: Solve for x
    x = 103,073,171,990.28/329,042.94
  6. Step 6: Final answer
    x = 313,251.43

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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.