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Finding the Fourth Proportional to 329,673.31, 494,490.84 and 127,229.82

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Solution

The fourth proportional to 329,673.31, 494,490.84 and 127,229.82 is: 190,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,673.31 : 494,490.84 = 127,229.82 : x
  2. Step 2: Convert to fraction form
    329,673.31/494,490.84 = 127,229.82/x
  3. Step 3: Cross multiply
    329,673.31x = 494,490.84 × 127,229.82
  4. Step 4: Simplify right side
    329,673.31x = 62,913,981,730.58
  5. Step 5: Solve for x
    x = 62,913,981,730.58/329,673.31
  6. Step 6: Final answer
    x = 190,837.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.