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Finding the Fourth Proportional to 337,285,481.20, 505,928,221.80 and 337,285,481.20

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Solution

The fourth proportional to 337,285,481.20, 505,928,221.80 and 337,285,481.20 is: 505,928,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,285,481.20 : 505,928,221.80 = 337,285,481.20 : x
  2. Step 2: Convert to fraction form
    337,285,481.20/505,928,221.80 = 337,285,481.20/x
  3. Step 3: Cross multiply
    337,285,481.20x = 505,928,221.80 × 337,285,481.20
  4. Step 4: Simplify right side
    337,285,481.20x = 170,642,243,742,473,344
  5. Step 5: Solve for x
    x = 170,642,243,742,473,344/337,285,481.20
  6. Step 6: Final answer
    x = 505,928,221.80

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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.