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Finding the Fourth Proportional to 613,414.58, 920,158.44 and 192,690.32

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Solution

The fourth proportional to 613,414.58, 920,158.44 and 192,690.32 is: 289,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,414.58 : 920,158.44 = 192,690.32 : x
  2. Step 2: Convert to fraction form
    613,414.58/920,158.44 = 192,690.32/x
  3. Step 3: Cross multiply
    613,414.58x = 920,158.44 × 192,690.32
  4. Step 4: Simplify right side
    613,414.58x = 177,305,624,254.30
  5. Step 5: Solve for x
    x = 177,305,624,254.30/613,414.58
  6. Step 6: Final answer
    x = 289,046.97

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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.