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Finding the Fourth Proportional to 211,410,010.70, 317,115,016.05 and 211,410,010.70

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Solution

The fourth proportional to 211,410,010.70, 317,115,016.05 and 211,410,010.70 is: 317,115,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,410,010.70 : 317,115,016.05 = 211,410,010.70 : x
  2. Step 2: Convert to fraction form
    211,410,010.70/317,115,016.05 = 211,410,010.70/x
  3. Step 3: Cross multiply
    211,410,010.70x = 317,115,016.05 × 211,410,010.70
  4. Step 4: Simplify right side
    211,410,010.70x = 67,041,288,936,261,168
  5. Step 5: Solve for x
    x = 67,041,288,936,261,168/211,410,010.70
  6. Step 6: Final answer
    x = 317,115,016.05

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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.