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Finding the Fourth Proportional to 366,328.50, 548,546.40 and 252,826.54

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Solution

The fourth proportional to 366,328.50, 548,546.40 and 252,826.54 is: 378,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,328.50 : 548,546.40 = 252,826.54 : x
  2. Step 2: Convert to fraction form
    366,328.50/548,546.40 = 252,826.54/x
  3. Step 3: Cross multiply
    366,328.50x = 548,546.40 × 252,826.54
  4. Step 4: Simplify right side
    366,328.50x = 138,687,089,223.95
  5. Step 5: Solve for x
    x = 138,687,089,223.95/366,328.50
  6. Step 6: Final answer
    x = 378,586.68

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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.