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Finding the Fourth Proportional to 350,679.97, 525,199.83 and 172,614.43

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Solution

The fourth proportional to 350,679.97, 525,199.83 and 172,614.43 is: 258,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,679.97 : 525,199.83 = 172,614.43 : x
  2. Step 2: Convert to fraction form
    350,679.97/525,199.83 = 172,614.43/x
  3. Step 3: Cross multiply
    350,679.97x = 525,199.83 × 172,614.43
  4. Step 4: Simplify right side
    350,679.97x = 90,657,069,291.55
  5. Step 5: Solve for x
    x = 90,657,069,291.55/350,679.97
  6. Step 6: Final answer
    x = 258,517.96

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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.