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Finding the Fourth Proportional to 329,625, 494,412.66 and 104,976.36

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Solution

The fourth proportional to 329,625, 494,412.66 and 104,976.36 is: 157,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,625 : 494,412.66 = 104,976.36 : x
  2. Step 2: Convert to fraction form
    329,625/494,412.66 = 104,976.36/x
  3. Step 3: Cross multiply
    329,625x = 494,412.66 × 104,976.36
  4. Step 4: Simplify right side
    329,625x = 51,901,641,384.72
  5. Step 5: Solve for x
    x = 51,901,641,384.72/329,625
  6. Step 6: Final answer
    x = 157,456.63

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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.