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Finding the Fourth Proportional to 373,322.44, 515,185.48 and 203,556.57

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Solution

The fourth proportional to 373,322.44, 515,185.48 and 203,556.57 is: 280,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,322.44 : 515,185.48 = 203,556.57 : x
  2. Step 2: Convert to fraction form
    373,322.44/515,185.48 = 203,556.57/x
  3. Step 3: Cross multiply
    373,322.44x = 515,185.48 × 203,556.57
  4. Step 4: Simplify right side
    373,322.44x = 104,869,389,222.60
  5. Step 5: Solve for x
    x = 104,869,389,222.60/373,322.44
  6. Step 6: Final answer
    x = 280,908.35

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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.