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Finding the Fourth Proportional to 353,059.36, 487,222.25 and 191,914.41

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Solution

The fourth proportional to 353,059.36, 487,222.25 and 191,914.41 is: 264,842.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,059.36 : 487,222.25 = 191,914.41 : x
  2. Step 2: Convert to fraction form
    353,059.36/487,222.25 = 191,914.41/x
  3. Step 3: Cross multiply
    353,059.36x = 487,222.25 × 191,914.41
  4. Step 4: Simplify right side
    353,059.36x = 93,504,967,251.94
  5. Step 5: Solve for x
    x = 93,504,967,251.94/353,059.36
  6. Step 6: Final answer
    x = 264,842.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.