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Finding the Fourth Proportional to 363,476,203.60, 545,363,604.60 and 133,555,435.60

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Solution

The fourth proportional to 363,476,203.60, 545,363,604.60 and 133,555,435.60 is: 200,388,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,476,203.60 : 545,363,604.60 = 133,555,435.60 : x
  2. Step 2: Convert to fraction form
    363,476,203.60/545,363,604.60 = 133,555,435.60/x
  3. Step 3: Cross multiply
    363,476,203.60x = 545,363,604.60 × 133,555,435.60
  4. Step 4: Simplify right side
    363,476,203.60x = 72,836,273,772,739,168
  5. Step 5: Solve for x
    x = 72,836,273,772,739,168/363,476,203.60
  6. Step 6: Final answer
    x = 200,388,011.79

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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.