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Finding the Fourth Proportional to 197,299,943.20, 276,673,416.80 and 197,299,943.20

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Solution

The fourth proportional to 197,299,943.20, 276,673,416.80 and 197,299,943.20 is: 276,673,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,299,943.20 : 276,673,416.80 = 197,299,943.20 : x
  2. Step 2: Convert to fraction form
    197,299,943.20/276,673,416.80 = 197,299,943.20/x
  3. Step 3: Cross multiply
    197,299,943.20x = 276,673,416.80 × 197,299,943.20
  4. Step 4: Simplify right side
    197,299,943.20x = 54,587,649,419,589,928
  5. Step 5: Solve for x
    x = 54,587,649,419,589,928/197,299,943.20
  6. Step 6: Final answer
    x = 276,673,416.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.