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Finding the Fourth Proportional to 397,169.04, 548,093.24 and 218,321.04

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Solution

The fourth proportional to 397,169.04, 548,093.24 and 218,321.04 is: 301,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,169.04 : 548,093.24 = 218,321.04 : x
  2. Step 2: Convert to fraction form
    397,169.04/548,093.24 = 218,321.04/x
  3. Step 3: Cross multiply
    397,169.04x = 548,093.24 × 218,321.04
  4. Step 4: Simplify right side
    397,169.04x = 119,660,286,173.77
  5. Step 5: Solve for x
    x = 119,660,286,173.77/397,169.04
  6. Step 6: Final answer
    x = 301,283.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.