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Finding the Fourth Proportional to 373,819.48, 515,870.73 and 204,053.61

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Solution

The fourth proportional to 373,819.48, 515,870.73 and 204,053.61 is: 281,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,819.48 : 515,870.73 = 204,053.61 : x
  2. Step 2: Convert to fraction form
    373,819.48/515,870.73 = 204,053.61/x
  3. Step 3: Cross multiply
    373,819.48x = 515,870.73 × 204,053.61
  4. Step 4: Simplify right side
    373,819.48x = 105,265,284,749.84
  5. Step 5: Solve for x
    x = 105,265,284,749.84/373,819.48
  6. Step 6: Final answer
    x = 281,593.90

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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.