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Finding the Fourth Proportional to 617,469.48, 926,186.94 and 196,770.60

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Solution

The fourth proportional to 617,469.48, 926,186.94 and 196,770.60 is: 295,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,469.48 : 926,186.94 = 196,770.60 : x
  2. Step 2: Convert to fraction form
    617,469.48/926,186.94 = 196,770.60/x
  3. Step 3: Cross multiply
    617,469.48x = 926,186.94 × 196,770.60
  4. Step 4: Simplify right side
    617,469.48x = 182,246,359,895.96
  5. Step 5: Solve for x
    x = 182,246,359,895.96/617,469.48
  6. Step 6: Final answer
    x = 295,150.39

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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.