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Finding the Fourth Proportional to 605,777.20, 835,978.19 and 333,855.02

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Solution

The fourth proportional to 605,777.20, 835,978.19 and 333,855.02 is: 460,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,777.20 : 835,978.19 = 333,855.02 : x
  2. Step 2: Convert to fraction form
    605,777.20/835,978.19 = 333,855.02/x
  3. Step 3: Cross multiply
    605,777.20x = 835,978.19 × 333,855.02
  4. Step 4: Simplify right side
    605,777.20x = 279,095,515,762.68
  5. Step 5: Solve for x
    x = 279,095,515,762.68/605,777.20
  6. Step 6: Final answer
    x = 460,723.05

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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.