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Finding the Fourth Proportional to 366,321.21, 548,817.37 and 270,495.64

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Solution

The fourth proportional to 366,321.21, 548,817.37 and 270,495.64 is: 405,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,321.21 : 548,817.37 = 270,495.64 : x
  2. Step 2: Convert to fraction form
    366,321.21/548,817.37 = 270,495.64/x
  3. Step 3: Cross multiply
    366,321.21x = 548,817.37 × 270,495.64
  4. Step 4: Simplify right side
    366,321.21x = 148,452,705,741.27
  5. Step 5: Solve for x
    x = 148,452,705,741.27/366,321.21
  6. Step 6: Final answer
    x = 405,252.83

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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.