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Finding the Fourth Proportional to 394,397.94, 544,380.57 and 233,308.92

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Solution

The fourth proportional to 394,397.94, 544,380.57 and 233,308.92 is: 322,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,397.94 : 544,380.57 = 233,308.92 : x
  2. Step 2: Convert to fraction form
    394,397.94/544,380.57 = 233,308.92/x
  3. Step 3: Cross multiply
    394,397.94x = 544,380.57 × 233,308.92
  4. Step 4: Simplify right side
    394,397.94x = 127,008,842,855.68
  5. Step 5: Solve for x
    x = 127,008,842,855.68/394,397.94
  6. Step 6: Final answer
    x = 322,032.22

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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.