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Finding the Fourth Proportional to 336,990,533.80, 505,485,800.70 and 275,768,530.60

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Solution

The fourth proportional to 336,990,533.80, 505,485,800.70 and 275,768,530.60 is: 413,652,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,990,533.80 : 505,485,800.70 = 275,768,530.60 : x
  2. Step 2: Convert to fraction form
    336,990,533.80/505,485,800.70 = 275,768,530.60/x
  3. Step 3: Cross multiply
    336,990,533.80x = 505,485,800.70 × 275,768,530.60
  4. Step 4: Simplify right side
    336,990,533.80x = 139,397,076,498,203,456
  5. Step 5: Solve for x
    x = 139,397,076,498,203,456/336,990,533.80
  6. Step 6: Final answer
    x = 413,652,795.90

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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.