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Finding the Fourth Proportional to 394,959.36, 592,770.77 and 170,489.33

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Solution

The fourth proportional to 394,959.36, 592,770.77 and 170,489.33 is: 255,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,959.36 : 592,770.77 = 170,489.33 : x
  2. Step 2: Convert to fraction form
    394,959.36/592,770.77 = 170,489.33/x
  3. Step 3: Cross multiply
    394,959.36x = 592,770.77 × 170,489.33
  4. Step 4: Simplify right side
    394,959.36x = 101,061,091,420.88
  5. Step 5: Solve for x
    x = 101,061,091,420.88/394,959.36
  6. Step 6: Final answer
    x = 255,877.19

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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.