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Finding the Fourth Proportional to 270,616.37, 405,966.08 and 196,297.67

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Solution

The fourth proportional to 270,616.37, 405,966.08 and 196,297.67 is: 294,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,616.37 : 405,966.08 = 196,297.67 : x
  2. Step 2: Convert to fraction form
    270,616.37/405,966.08 = 196,297.67/x
  3. Step 3: Cross multiply
    270,616.37x = 405,966.08 × 196,297.67
  4. Step 4: Simplify right side
    270,616.37x = 79,690,194,621.55
  5. Step 5: Solve for x
    x = 79,690,194,621.55/270,616.37
  6. Step 6: Final answer
    x = 294,476.62

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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.