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Finding the Fourth Proportional to 605,705.60, 835,879.34 and 333,783.23

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Solution

The fourth proportional to 605,705.60, 835,879.34 and 333,783.23 is: 460,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,705.60 : 835,879.34 = 333,783.23 : x
  2. Step 2: Convert to fraction form
    605,705.60/835,879.34 = 333,783.23/x
  3. Step 3: Cross multiply
    605,705.60x = 835,879.34 × 333,783.23
  4. Step 4: Simplify right side
    605,705.60x = 279,002,505,995.47
  5. Step 5: Solve for x
    x = 279,002,505,995.47/605,705.60
  6. Step 6: Final answer
    x = 460,623.95

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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.