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Finding the Fourth Proportional to 373,564.85, 515,525.27 and 203,798.97

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Solution

The fourth proportional to 373,564.85, 515,525.27 and 203,798.97 is: 281,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,564.85 : 515,525.27 = 203,798.97 : x
  2. Step 2: Convert to fraction form
    373,564.85/515,525.27 = 203,798.97/x
  3. Step 3: Cross multiply
    373,564.85x = 515,525.27 × 203,798.97
  4. Step 4: Simplify right side
    373,564.85x = 105,063,518,015.98
  5. Step 5: Solve for x
    x = 105,063,518,015.98/373,564.85
  6. Step 6: Final answer
    x = 281,245.73

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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.