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Finding the Fourth Proportional to 605,705.14, 835,909.68 and 333,772.57

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Solution

The fourth proportional to 605,705.14, 835,909.68 and 333,772.57 is: 460,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,705.14 : 835,909.68 = 333,772.57 : x
  2. Step 2: Convert to fraction form
    605,705.14/835,909.68 = 333,772.57/x
  3. Step 3: Cross multiply
    605,705.14x = 835,909.68 × 333,772.57
  4. Step 4: Simplify right side
    605,705.14x = 279,003,722,181.48
  5. Step 5: Solve for x
    x = 279,003,722,181.48/605,705.14
  6. Step 6: Final answer
    x = 460,626.31

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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.