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Finding the Fourth Proportional to 299,241.07, 412,579.16 and 191,634.19

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Solution

The fourth proportional to 299,241.07, 412,579.16 and 191,634.19 is: 264,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,241.07 : 412,579.16 = 191,634.19 : x
  2. Step 2: Convert to fraction form
    299,241.07/412,579.16 = 191,634.19/x
  3. Step 3: Cross multiply
    299,241.07x = 412,579.16 × 191,634.19
  4. Step 4: Simplify right side
    299,241.07x = 79,064,273,137.48
  5. Step 5: Solve for x
    x = 79,064,273,137.48/299,241.07
  6. Step 6: Final answer
    x = 264,215.98

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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.