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Finding the Fourth Proportional to 363,604.26, 545,223.91 and 211,850.38

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Solution

The fourth proportional to 363,604.26, 545,223.91 and 211,850.38 is: 317,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,604.26 : 545,223.91 = 211,850.38 : x
  2. Step 2: Convert to fraction form
    363,604.26/545,223.91 = 211,850.38/x
  3. Step 3: Cross multiply
    363,604.26x = 545,223.91 × 211,850.38
  4. Step 4: Simplify right side
    363,604.26x = 115,505,892,518.59
  5. Step 5: Solve for x
    x = 115,505,892,518.59/363,604.26
  6. Step 6: Final answer
    x = 317,669.25

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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.