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Finding the Fourth Proportional to 264,799.45, 397,201.95 and 104,914.30

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Solution

The fourth proportional to 264,799.45, 397,201.95 and 104,914.30 is: 157,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,799.45 : 397,201.95 = 104,914.30 : x
  2. Step 2: Convert to fraction form
    264,799.45/397,201.95 = 104,914.30/x
  3. Step 3: Cross multiply
    264,799.45x = 397,201.95 × 104,914.30
  4. Step 4: Simplify right side
    264,799.45x = 41,672,165,148.27
  5. Step 5: Solve for x
    x = 41,672,165,148.27/264,799.45
  6. Step 6: Final answer
    x = 157,372.55

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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.