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Finding the Fourth Proportional to 404,649.29, 558,420.66 and 223,361.37

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Solution

The fourth proportional to 404,649.29, 558,420.66 and 223,361.37 is: 308,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,649.29 : 558,420.66 = 223,361.37 : x
  2. Step 2: Convert to fraction form
    404,649.29/558,420.66 = 223,361.37/x
  3. Step 3: Cross multiply
    404,649.29x = 558,420.66 × 223,361.37
  4. Step 4: Simplify right side
    404,649.29x = 124,729,603,653.90
  5. Step 5: Solve for x
    x = 124,729,603,653.90/404,649.29
  6. Step 6: Final answer
    x = 308,241.26

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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.