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Finding the Fourth Proportional to 329,625.09, 494,273.91 and 104,956.20

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Solution

The fourth proportional to 329,625.09, 494,273.91 and 104,956.20 is: 157,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,625.09 : 494,273.91 = 104,956.20 : x
  2. Step 2: Convert to fraction form
    329,625.09/494,273.91 = 104,956.20/x
  3. Step 3: Cross multiply
    329,625.09x = 494,273.91 × 104,956.20
  4. Step 4: Simplify right side
    329,625.09x = 51,877,111,352.74
  5. Step 5: Solve for x
    x = 51,877,111,352.74/329,625.09
  6. Step 6: Final answer
    x = 157,382.17

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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.