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Finding the Fourth Proportional to 323,410,882.80, 485,137,319.40 and 170,355,874.80

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Solution

The fourth proportional to 323,410,882.80, 485,137,319.40 and 170,355,874.80 is: 255,544,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,410,882.80 : 485,137,319.40 = 170,355,874.80 : x
  2. Step 2: Convert to fraction form
    323,410,882.80/485,137,319.40 = 170,355,874.80/x
  3. Step 3: Cross multiply
    323,410,882.80x = 485,137,319.40 × 170,355,874.80
  4. Step 4: Simplify right side
    323,410,882.80x = 82,645,992,444,514,016
  5. Step 5: Solve for x
    x = 82,645,992,444,514,016/323,410,882.80
  6. Step 6: Final answer
    x = 255,544,871.37

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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.