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Finding the Fourth Proportional to 373,814.73, 515,864.19 and 204,048.86

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Solution

The fourth proportional to 373,814.73, 515,864.19 and 204,048.86 is: 281,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,814.73 : 515,864.19 = 204,048.86 : x
  2. Step 2: Convert to fraction form
    373,814.73/515,864.19 = 204,048.86/x
  3. Step 3: Cross multiply
    373,814.73x = 515,864.19 × 204,048.86
  4. Step 4: Simplify right side
    373,814.73x = 105,261,497,305.00
  5. Step 5: Solve for x
    x = 105,261,497,305.00/373,814.73
  6. Step 6: Final answer
    x = 281,587.34

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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.