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Finding the Fourth Proportional to 617,667.40, 926,570.22 and 196,847.56

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Solution

The fourth proportional to 617,667.40, 926,570.22 and 196,847.56 is: 295,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,667.40 : 926,570.22 = 196,847.56 : x
  2. Step 2: Convert to fraction form
    617,667.40/926,570.22 = 196,847.56/x
  3. Step 3: Cross multiply
    617,667.40x = 926,570.22 × 196,847.56
  4. Step 4: Simplify right side
    617,667.40x = 182,393,086,975.66
  5. Step 5: Solve for x
    x = 182,393,086,975.66/617,667.40
  6. Step 6: Final answer
    x = 295,293.37

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1.5x scale

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.