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Finding the Fourth Proportional to 394,760.64, 544,821.60 and 224,955.84

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Solution

The fourth proportional to 394,760.64, 544,821.60 and 224,955.84 is: 310,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,760.64 : 544,821.60 = 224,955.84 : x
  2. Step 2: Convert to fraction form
    394,760.64/544,821.60 = 224,955.84/x
  3. Step 3: Cross multiply
    394,760.64x = 544,821.60 × 224,955.84
  4. Step 4: Simplify right side
    394,760.64x = 122,560,800,678.14
  5. Step 5: Solve for x
    x = 122,560,800,678.14/394,760.64
  6. Step 6: Final answer
    x = 310,468.64

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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.