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Finding the Fourth Proportional to 373,425.03, 515,320.92 and 203,659.16

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Solution

The fourth proportional to 373,425.03, 515,320.92 and 203,659.16 is: 281,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,425.03 : 515,320.92 = 203,659.16 : x
  2. Step 2: Convert to fraction form
    373,425.03/515,320.92 = 203,659.16/x
  3. Step 3: Cross multiply
    373,425.03x = 515,320.92 × 203,659.16
  4. Step 4: Simplify right side
    373,425.03x = 104,949,823,121.02
  5. Step 5: Solve for x
    x = 104,949,823,121.02/373,425.03
  6. Step 6: Final answer
    x = 281,046.57

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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.