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Finding the Fourth Proportional to 366,324.21, 548,821.87 and 270,498.64

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Solution

The fourth proportional to 366,324.21, 548,821.87 and 270,498.64 is: 405,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,324.21 : 548,821.87 = 270,498.64 : x
  2. Step 2: Convert to fraction form
    366,324.21/548,821.87 = 270,498.64/x
  3. Step 3: Cross multiply
    366,324.21x = 548,821.87 × 270,498.64
  4. Step 4: Simplify right side
    366,324.21x = 148,455,569,437.26
  5. Step 5: Solve for x
    x = 148,455,569,437.26/366,324.21
  6. Step 6: Final answer
    x = 405,257.33

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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.