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Finding the Fourth Proportional to 606,723.72, 909,696.78 and 251,982.60

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Solution

The fourth proportional to 606,723.72, 909,696.78 and 251,982.60 is: 377,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,723.72 : 909,696.78 = 251,982.60 : x
  2. Step 2: Convert to fraction form
    606,723.72/909,696.78 = 251,982.60/x
  3. Step 3: Cross multiply
    606,723.72x = 909,696.78 × 251,982.60
  4. Step 4: Simplify right side
    606,723.72x = 229,227,759,836.03
  5. Step 5: Solve for x
    x = 229,227,759,836.03/606,723.72
  6. Step 6: Final answer
    x = 377,812.42

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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.