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Finding the Fourth Proportional to 394,551.34, 544,479.78 and 224,786.68

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Solution

The fourth proportional to 394,551.34, 544,479.78 and 224,786.68 is: 310,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,551.34 : 544,479.78 = 224,786.68 : x
  2. Step 2: Convert to fraction form
    394,551.34/544,479.78 = 224,786.68/x
  3. Step 3: Cross multiply
    394,551.34x = 544,479.78 × 224,786.68
  4. Step 4: Simplify right side
    394,551.34x = 122,391,802,073.33
  5. Step 5: Solve for x
    x = 122,391,802,073.33/394,551.34
  6. Step 6: Final answer
    x = 310,205.01

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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.