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Finding the Fourth Proportional to 273,029,863.80, 409,544,795.70 and 200,470,452.60

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Solution

The fourth proportional to 273,029,863.80, 409,544,795.70 and 200,470,452.60 is: 300,705,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,029,863.80 : 409,544,795.70 = 200,470,452.60 : x
  2. Step 2: Convert to fraction form
    273,029,863.80/409,544,795.70 = 200,470,452.60/x
  3. Step 3: Cross multiply
    273,029,863.80x = 409,544,795.70 × 200,470,452.60
  4. Step 4: Simplify right side
    273,029,863.80x = 82,101,630,553,953,536
  5. Step 5: Solve for x
    x = 82,101,630,553,953,536/273,029,863.80
  6. Step 6: Final answer
    x = 300,705,678.90

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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.