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Finding the Fourth Proportional to 394,476.96, 544,416.30 and 233,383.80

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Solution

The fourth proportional to 394,476.96, 544,416.30 and 233,383.80 is: 322,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,476.96 : 544,416.30 = 233,383.80 : x
  2. Step 2: Convert to fraction form
    394,476.96/544,416.30 = 233,383.80/x
  3. Step 3: Cross multiply
    394,476.96x = 544,416.30 × 233,383.80
  4. Step 4: Simplify right side
    394,476.96x = 127,057,944,875.94
  5. Step 5: Solve for x
    x = 127,057,944,875.94/394,476.96
  6. Step 6: Final answer
    x = 322,092.18

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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.