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Finding the Fourth Proportional to 222,624,019.05, 311,036,616.75 and 222,624,019.05

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Solution

The fourth proportional to 222,624,019.05, 311,036,616.75 and 222,624,019.05 is: 311,036,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,624,019.05 : 311,036,616.75 = 222,624,019.05 : x
  2. Step 2: Convert to fraction form
    222,624,019.05/311,036,616.75 = 222,624,019.05/x
  3. Step 3: Cross multiply
    222,624,019.05x = 311,036,616.75 × 222,624,019.05
  4. Step 4: Simplify right side
    222,624,019.05x = 69,244,221,692,599,552
  5. Step 5: Solve for x
    x = 69,244,221,692,599,552/222,624,019.05
  6. Step 6: Final answer
    x = 311,036,616.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.