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Finding the Fourth Proportional to 394,362.44, 544,220.18 and 224,612.36

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Solution

The fourth proportional to 394,362.44, 544,220.18 and 224,612.36 is: 309,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,362.44 : 544,220.18 = 224,612.36 : x
  2. Step 2: Convert to fraction form
    394,362.44/544,220.18 = 224,612.36/x
  3. Step 3: Cross multiply
    394,362.44x = 544,220.18 × 224,612.36
  4. Step 4: Simplify right side
    394,362.44x = 122,238,578,989.43
  5. Step 5: Solve for x
    x = 122,238,578,989.43/394,362.44
  6. Step 6: Final answer
    x = 309,965.06

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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.