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Finding the Fourth Proportional to 436,373.80, 654,906.30 and 170,261.80

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Solution

The fourth proportional to 436,373.80, 654,906.30 and 170,261.80 is: 255,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,373.80 : 654,906.30 = 170,261.80 : x
  2. Step 2: Convert to fraction form
    436,373.80/654,906.30 = 170,261.80/x
  3. Step 3: Cross multiply
    436,373.80x = 654,906.30 × 170,261.80
  4. Step 4: Simplify right side
    436,373.80x = 111,505,525,469.34
  5. Step 5: Solve for x
    x = 111,505,525,469.34/436,373.80
  6. Step 6: Final answer
    x = 255,527.54

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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.