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Finding the Fourth Proportional to 204,826,605.40, 307,239,908.10 and 204,826,605.40

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Solution

The fourth proportional to 204,826,605.40, 307,239,908.10 and 204,826,605.40 is: 307,239,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,826,605.40 : 307,239,908.10 = 204,826,605.40 : x
  2. Step 2: Convert to fraction form
    204,826,605.40/307,239,908.10 = 204,826,605.40/x
  3. Step 3: Cross multiply
    204,826,605.40x = 307,239,908.10 × 204,826,605.40
  4. Step 4: Simplify right side
    204,826,605.40x = 62,930,907,419,530,968
  5. Step 5: Solve for x
    x = 62,930,907,419,530,968/204,826,605.40
  6. Step 6: Final answer
    x = 307,239,908.10

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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.