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Finding the Fourth Proportional to 605,388.50, 835,436.13 and 350,887.31

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Solution

The fourth proportional to 605,388.50, 835,436.13 and 350,887.31 is: 484,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,388.50 : 835,436.13 = 350,887.31 : x
  2. Step 2: Convert to fraction form
    605,388.50/835,436.13 = 350,887.31/x
  3. Step 3: Cross multiply
    605,388.50x = 835,436.13 × 350,887.31
  4. Step 4: Simplify right side
    605,388.50x = 293,143,936,332.51
  5. Step 5: Solve for x
    x = 293,143,936,332.51/605,388.50
  6. Step 6: Final answer
    x = 484,224.49

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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.