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Finding the Fourth Proportional to 350,680.97, 525,201.33 and 172,615.43

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Solution

The fourth proportional to 350,680.97, 525,201.33 and 172,615.43 is: 258,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,680.97 : 525,201.33 = 172,615.43 : x
  2. Step 2: Convert to fraction form
    350,680.97/525,201.33 = 172,615.43/x
  3. Step 3: Cross multiply
    350,680.97x = 525,201.33 × 172,615.43
  4. Step 4: Simplify right side
    350,680.97x = 90,657,853,414.52
  5. Step 5: Solve for x
    x = 90,657,853,414.52/350,680.97
  6. Step 6: Final answer
    x = 258,519.46

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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.