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Finding the Fourth Proportional to 363,763.91, 545,408.24 and 174,218.11

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Solution

The fourth proportional to 363,763.91, 545,408.24 and 174,218.11 is: 261,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,763.91 : 545,408.24 = 174,218.11 : x
  2. Step 2: Convert to fraction form
    363,763.91/545,408.24 = 174,218.11/x
  3. Step 3: Cross multiply
    363,763.91x = 545,408.24 × 174,218.11
  4. Step 4: Simplify right side
    363,763.91x = 95,019,990,516.62
  5. Step 5: Solve for x
    x = 95,019,990,516.62/363,763.91
  6. Step 6: Final answer
    x = 261,213.35

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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.