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Finding the Fourth Proportional to 605,769.60, 835,979.55 and 333,855.00

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Solution

The fourth proportional to 605,769.60, 835,979.55 and 333,855.00 is: 460,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,769.60 : 835,979.55 = 333,855.00 : x
  2. Step 2: Convert to fraction form
    605,769.60/835,979.55 = 333,855.00/x
  3. Step 3: Cross multiply
    605,769.60x = 835,979.55 × 333,855.00
  4. Step 4: Simplify right side
    605,769.60x = 279,095,957,522.24
  5. Step 5: Solve for x
    x = 279,095,957,522.24/605,769.60
  6. Step 6: Final answer
    x = 460,729.56

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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.