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Finding the Fourth Proportional to 404,469.80, 606,777.60 and 167,836.40

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Solution

The fourth proportional to 404,469.80, 606,777.60 and 167,836.40 is: 251,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,469.80 : 606,777.60 = 167,836.40 : x
  2. Step 2: Convert to fraction form
    404,469.80/606,777.60 = 167,836.40/x
  3. Step 3: Cross multiply
    404,469.80x = 606,777.60 × 167,836.40
  4. Step 4: Simplify right side
    404,469.80x = 101,839,367,984.64
  5. Step 5: Solve for x
    x = 101,839,367,984.64/404,469.80
  6. Step 6: Final answer
    x = 251,784.85

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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.