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Finding the Fourth Proportional to 394,773.64, 544,839.54 and 224,968.84

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Solution

The fourth proportional to 394,773.64, 544,839.54 and 224,968.84 is: 310,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,773.64 : 544,839.54 = 224,968.84 : x
  2. Step 2: Convert to fraction form
    394,773.64/544,839.54 = 224,968.84/x
  3. Step 3: Cross multiply
    394,773.64x = 544,839.54 × 224,968.84
  4. Step 4: Simplify right side
    394,773.64x = 122,571,919,299.93
  5. Step 5: Solve for x
    x = 122,571,919,299.93/394,773.64
  6. Step 6: Final answer
    x = 310,486.58

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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.