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Finding the Fourth Proportional to 373,568.85, 515,523.30 and 203,802.97

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Solution

The fourth proportional to 373,568.85, 515,523.30 and 203,802.97 is: 281,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,568.85 : 515,523.30 = 203,802.97 : x
  2. Step 2: Convert to fraction form
    373,568.85/515,523.30 = 203,802.97/x
  3. Step 3: Cross multiply
    373,568.85x = 515,523.30 × 203,802.97
  4. Step 4: Simplify right side
    373,568.85x = 105,065,179,644.20
  5. Step 5: Solve for x
    x = 105,065,179,644.20/373,568.85
  6. Step 6: Final answer
    x = 281,247.16

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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.