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Finding the Fourth Proportional to 617,338.80, 926,183.52 and 196,647.12

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Solution

The fourth proportional to 617,338.80, 926,183.52 and 196,647.12 is: 295,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,338.80 : 926,183.52 = 196,647.12 : x
  2. Step 2: Convert to fraction form
    617,338.80/926,183.52 = 196,647.12/x
  3. Step 3: Cross multiply
    617,338.80x = 926,183.52 × 196,647.12
  4. Step 4: Simplify right side
    617,338.80x = 182,131,321,799.46
  5. Step 5: Solve for x
    x = 182,131,321,799.46/617,338.80
  6. Step 6: Final answer
    x = 295,026.53

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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.