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Finding the Fourth Proportional to 273,305,387.40, 409,958,081.10 and 273,305,387.40

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Solution

The fourth proportional to 273,305,387.40, 409,958,081.10 and 273,305,387.40 is: 409,958,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,305,387.40 : 409,958,081.10 = 273,305,387.40 : x
  2. Step 2: Convert to fraction form
    273,305,387.40/409,958,081.10 = 273,305,387.40/x
  3. Step 3: Cross multiply
    273,305,387.40x = 409,958,081.10 × 273,305,387.40
  4. Step 4: Simplify right side
    273,305,387.40x = 112,043,752,172,796,112
  5. Step 5: Solve for x
    x = 112,043,752,172,796,112/273,305,387.40
  6. Step 6: Final answer
    x = 409,958,081.10

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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.