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Finding the Fourth Proportional to 394,544.72, 544,443.72 and 224,747.60

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Solution

The fourth proportional to 394,544.72, 544,443.72 and 224,747.60 is: 310,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,544.72 : 544,443.72 = 224,747.60 : x
  2. Step 2: Convert to fraction form
    394,544.72/544,443.72 = 224,747.60/x
  3. Step 3: Cross multiply
    394,544.72x = 544,443.72 × 224,747.60
  4. Step 4: Simplify right side
    394,544.72x = 122,362,419,405.07
  5. Step 5: Solve for x
    x = 122,362,419,405.07/394,544.72
  6. Step 6: Final answer
    x = 310,135.74

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1.5x scale

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.