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Finding the Fourth Proportional to 605,725.56, 835,906.91 and 333,803.21

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Solution

The fourth proportional to 605,725.56, 835,906.91 and 333,803.21 is: 460,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,725.56 : 835,906.91 = 333,803.21 : x
  2. Step 2: Convert to fraction form
    605,725.56/835,906.91 = 333,803.21/x
  3. Step 3: Cross multiply
    605,725.56x = 835,906.91 × 333,803.21
  4. Step 4: Simplify right side
    605,725.56x = 279,028,403,970.63
  5. Step 5: Solve for x
    x = 279,028,403,970.63/605,725.56
  6. Step 6: Final answer
    x = 460,651.53

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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.