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Finding the Fourth Proportional to 394,554.72, 544,457.52 and 224,757.60

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Solution

The fourth proportional to 394,554.72, 544,457.52 and 224,757.60 is: 310,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,554.72 : 544,457.52 = 224,757.60 : x
  2. Step 2: Convert to fraction form
    394,554.72/544,457.52 = 224,757.60/x
  3. Step 3: Cross multiply
    394,554.72x = 544,457.52 × 224,757.60
  4. Step 4: Simplify right side
    394,554.72x = 122,370,965,497.15
  5. Step 5: Solve for x
    x = 122,370,965,497.15/394,554.72
  6. Step 6: Final answer
    x = 310,149.54

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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.