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Finding the Fourth Proportional to 374,400.44, 516,665.00 and 204,635.78

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Solution

The fourth proportional to 374,400.44, 516,665.00 and 204,635.78 is: 282,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,400.44 : 516,665.00 = 204,635.78 : x
  2. Step 2: Convert to fraction form
    374,400.44/516,665.00 = 204,635.78/x
  3. Step 3: Cross multiply
    374,400.44x = 516,665.00 × 204,635.78
  4. Step 4: Simplify right side
    374,400.44x = 105,728,141,667.20
  5. Step 5: Solve for x
    x = 105,728,141,667.20/374,400.44
  6. Step 6: Final answer
    x = 282,393.21

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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.