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Finding the Fourth Proportional to 605,725.20, 835,906.31 and 333,802.85

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Solution

The fourth proportional to 605,725.20, 835,906.31 and 333,802.85 is: 460,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,725.20 : 835,906.31 = 333,802.85 : x
  2. Step 2: Convert to fraction form
    605,725.20/835,906.31 = 333,802.85/x
  3. Step 3: Cross multiply
    605,725.20x = 835,906.31 × 333,802.85
  4. Step 4: Simplify right side
    605,725.20x = 279,027,909,448.99
  5. Step 5: Solve for x
    x = 279,027,909,448.99/605,725.20
  6. Step 6: Final answer
    x = 460,650.98

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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.