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Finding the Fourth Proportional to 617,022.20, 925,605.30 and 196,340.60

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Solution

The fourth proportional to 617,022.20, 925,605.30 and 196,340.60 is: 294,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,022.20 : 925,605.30 = 196,340.60 : x
  2. Step 2: Convert to fraction form
    617,022.20/925,605.30 = 196,340.60/x
  3. Step 3: Cross multiply
    617,022.20x = 925,605.30 × 196,340.60
  4. Step 4: Simplify right side
    617,022.20x = 181,733,899,965.18
  5. Step 5: Solve for x
    x = 181,733,899,965.18/617,022.20
  6. Step 6: Final answer
    x = 294,533.81

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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.