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Finding the Fourth Proportional to 248,708.60, 372,269.10 and 196,220.60

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Solution

The fourth proportional to 248,708.60, 372,269.10 and 196,220.60 is: 293,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,708.60 : 372,269.10 = 196,220.60 : x
  2. Step 2: Convert to fraction form
    248,708.60/372,269.10 = 196,220.60/x
  3. Step 3: Cross multiply
    248,708.60x = 372,269.10 × 196,220.60
  4. Step 4: Simplify right side
    248,708.60x = 73,046,866,163.46
  5. Step 5: Solve for x
    x = 73,046,866,163.46/248,708.60
  6. Step 6: Final answer
    x = 293,704.63

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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.