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Finding the Fourth Proportional to 299,757.45, 448,830.44 and 228,339.87

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Solution

The fourth proportional to 299,757.45, 448,830.44 and 228,339.87 is: 341,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,757.45 : 448,830.44 = 228,339.87 : x
  2. Step 2: Convert to fraction form
    299,757.45/448,830.44 = 228,339.87/x
  3. Step 3: Cross multiply
    299,757.45x = 448,830.44 × 228,339.87
  4. Step 4: Simplify right side
    299,757.45x = 102,485,885,453.53
  5. Step 5: Solve for x
    x = 102,485,885,453.53/299,757.45
  6. Step 6: Final answer
    x = 341,896.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.