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Finding the Fourth Proportional to 605,285.66, 835,261.77 and 333,300.45

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Solution

The fourth proportional to 605,285.66, 835,261.77 and 333,300.45 is: 459,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,285.66 : 835,261.77 = 333,300.45 : x
  2. Step 2: Convert to fraction form
    605,285.66/835,261.77 = 333,300.45/x
  3. Step 3: Cross multiply
    605,285.66x = 835,261.77 × 333,300.45
  4. Step 4: Simplify right side
    605,285.66x = 278,393,128,190.91
  5. Step 5: Solve for x
    x = 278,393,128,190.91/605,285.66
  6. Step 6: Final answer
    x = 459,936.76

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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.