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Finding the Fourth Proportional to 605,571.24, 835,648.20 and 363,864

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Solution

The fourth proportional to 605,571.24, 835,648.20 and 363,864 is: 502,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,571.24 : 835,648.20 = 363,864 : x
  2. Step 2: Convert to fraction form
    605,571.24/835,648.20 = 363,864/x
  3. Step 3: Cross multiply
    605,571.24x = 835,648.20 × 363,864
  4. Step 4: Simplify right side
    605,571.24x = 304,062,296,644.80
  5. Step 5: Solve for x
    x = 304,062,296,644.80/605,571.24
  6. Step 6: Final answer
    x = 502,108.22

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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.