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Finding the Fourth Proportional to 329,609.09, 494,250.01 and 104,940.30

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Solution

The fourth proportional to 329,609.09, 494,250.01 and 104,940.30 is: 157,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,609.09 : 494,250.01 = 104,940.30 : x
  2. Step 2: Convert to fraction form
    329,609.09/494,250.01 = 104,940.30/x
  3. Step 3: Cross multiply
    329,609.09x = 494,250.01 × 104,940.30
  4. Step 4: Simplify right side
    329,609.09x = 51,866,744,324.40
  5. Step 5: Solve for x
    x = 51,866,744,324.40/329,609.09
  6. Step 6: Final answer
    x = 157,358.36

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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.