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Finding the Fourth Proportional to 329,661.82, 494,531.34 and 104,943.52

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Solution

The fourth proportional to 329,661.82, 494,531.34 and 104,943.52 is: 157,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,661.82 : 494,531.34 = 104,943.52 : x
  2. Step 2: Convert to fraction form
    329,661.82/494,531.34 = 104,943.52/x
  3. Step 3: Cross multiply
    329,661.82x = 494,531.34 × 104,943.52
  4. Step 4: Simplify right side
    329,661.82x = 51,897,859,569.92
  5. Step 5: Solve for x
    x = 51,897,859,569.92/329,661.82
  6. Step 6: Final answer
    x = 157,427.57

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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.