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Finding the Fourth Proportional to 374,562.81, 516,896.68 and 204,796.94

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Solution

The fourth proportional to 374,562.81, 516,896.68 and 204,796.94 is: 282,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,562.81 : 516,896.68 = 204,796.94 : x
  2. Step 2: Convert to fraction form
    374,562.81/516,896.68 = 204,796.94/x
  3. Step 3: Cross multiply
    374,562.81x = 516,896.68 × 204,796.94
  4. Step 4: Simplify right side
    374,562.81x = 105,858,858,360.16
  5. Step 5: Solve for x
    x = 105,858,858,360.16/374,562.81
  6. Step 6: Final answer
    x = 282,619.78

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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.