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Finding the Fourth Proportional to 299,241.57, 412,579.85 and 191,634.69

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Solution

The fourth proportional to 299,241.57, 412,579.85 and 191,634.69 is: 264,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,241.57 : 412,579.85 = 191,634.69 : x
  2. Step 2: Convert to fraction form
    299,241.57/412,579.85 = 191,634.69/x
  3. Step 3: Cross multiply
    299,241.57x = 412,579.85 × 191,634.69
  4. Step 4: Simplify right side
    299,241.57x = 79,064,611,655.00
  5. Step 5: Solve for x
    x = 79,064,611,655.00/299,241.57
  6. Step 6: Final answer
    x = 264,216.67

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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.