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Finding the Fourth Proportional to 299,241.56, 412,579.84 and 191,634.68

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Solution

The fourth proportional to 299,241.56, 412,579.84 and 191,634.68 is: 264,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,241.56 : 412,579.84 = 191,634.68 : x
  2. Step 2: Convert to fraction form
    299,241.56/412,579.84 = 191,634.68/x
  3. Step 3: Cross multiply
    299,241.56x = 412,579.84 × 191,634.68
  4. Step 4: Simplify right side
    299,241.56x = 79,064,605,612.85
  5. Step 5: Solve for x
    x = 79,064,605,612.85/299,241.56
  6. Step 6: Final answer
    x = 264,216.66

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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.