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Finding the Fourth Proportional to 373,816.98, 515,867.28 and 204,051.11

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Solution

The fourth proportional to 373,816.98, 515,867.28 and 204,051.11 is: 281,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,816.98 : 515,867.28 = 204,051.11 : x
  2. Step 2: Convert to fraction form
    373,816.98/515,867.28 = 204,051.11/x
  3. Step 3: Cross multiply
    373,816.98x = 515,867.28 × 204,051.11
  4. Step 4: Simplify right side
    373,816.98x = 105,263,288,517.34
  5. Step 5: Solve for x
    x = 105,263,288,517.34/373,816.98
  6. Step 6: Final answer
    x = 281,590.44

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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.