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Finding the Fourth Proportional to 394,852.52, 544,895.91 and 222,770.25

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Solution

The fourth proportional to 394,852.52, 544,895.91 and 222,770.25 is: 307,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,852.52 : 544,895.91 = 222,770.25 : x
  2. Step 2: Convert to fraction form
    394,852.52/544,895.91 = 222,770.25/x
  3. Step 3: Cross multiply
    394,852.52x = 544,895.91 × 222,770.25
  4. Step 4: Simplify right side
    394,852.52x = 121,386,598,094.68
  5. Step 5: Solve for x
    x = 121,386,598,094.68/394,852.52
  6. Step 6: Final answer
    x = 307,422.62

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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.