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Finding the Fourth Proportional to 365,636.31, 548,584.37 and 163,214.07

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Solution

The fourth proportional to 365,636.31, 548,584.37 and 163,214.07 is: 244,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,636.31 : 548,584.37 = 163,214.07 : x
  2. Step 2: Convert to fraction form
    365,636.31/548,584.37 = 163,214.07/x
  3. Step 3: Cross multiply
    365,636.31x = 548,584.37 × 163,214.07
  4. Step 4: Simplify right side
    365,636.31x = 89,536,686,950.02
  5. Step 5: Solve for x
    x = 89,536,686,950.02/365,636.31
  6. Step 6: Final answer
    x = 244,879.09

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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.