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Finding the Fourth Proportional to 606,739.92, 835,933.68 and 422,805.12

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Solution

The fourth proportional to 606,739.92, 835,933.68 and 422,805.12 is: 582,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,739.92 : 835,933.68 = 422,805.12 : x
  2. Step 2: Convert to fraction form
    606,739.92/835,933.68 = 422,805.12/x
  3. Step 3: Cross multiply
    606,739.92x = 835,933.68 × 422,805.12
  4. Step 4: Simplify right side
    606,739.92x = 353,437,039,884.44
  5. Step 5: Solve for x
    x = 353,437,039,884.44/606,739.92
  6. Step 6: Final answer
    x = 582,518.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.