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Finding the Fourth Proportional to 617,466.63, 926,189.87 and 196,736.79

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Solution

The fourth proportional to 617,466.63, 926,189.87 and 196,736.79 is: 295,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,466.63 : 926,189.87 = 196,736.79 : x
  2. Step 2: Convert to fraction form
    617,466.63/926,189.87 = 196,736.79/x
  3. Step 3: Cross multiply
    617,466.63x = 926,189.87 × 196,736.79
  4. Step 4: Simplify right side
    617,466.63x = 182,215,620,970.63
  5. Step 5: Solve for x
    x = 182,215,620,970.63/617,466.63
  6. Step 6: Final answer
    x = 295,101.97

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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.