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Finding the Fourth Proportional to 323,410,824.80, 485,137,232.40 and 170,355,816.80

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Solution

The fourth proportional to 323,410,824.80, 485,137,232.40 and 170,355,816.80 is: 255,544,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,410,824.80 : 485,137,232.40 = 170,355,816.80 : x
  2. Step 2: Convert to fraction form
    323,410,824.80/485,137,232.40 = 170,355,816.80/x
  3. Step 3: Cross multiply
    323,410,824.80x = 485,137,232.40 × 170,355,816.80
  4. Step 4: Simplify right side
    323,410,824.80x = 82,645,949,485,593,424
  5. Step 5: Solve for x
    x = 82,645,949,485,593,424/323,410,824.80
  6. Step 6: Final answer
    x = 255,544,784.37

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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.