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Finding the Fourth Proportional to 360,808.86, 541,202.13 and 171,405.57

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Solution

The fourth proportional to 360,808.86, 541,202.13 and 171,405.57 is: 257,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,808.86 : 541,202.13 = 171,405.57 : x
  2. Step 2: Convert to fraction form
    360,808.86/541,202.13 = 171,405.57/x
  3. Step 3: Cross multiply
    360,808.86x = 541,202.13 × 171,405.57
  4. Step 4: Simplify right side
    360,808.86x = 92,765,059,577.86
  5. Step 5: Solve for x
    x = 92,765,059,577.86/360,808.86
  6. Step 6: Final answer
    x = 257,103.05

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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.