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Finding the Fourth Proportional to 394,443.96, 544,370.76 and 233,350.80

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Solution

The fourth proportional to 394,443.96, 544,370.76 and 233,350.80 is: 322,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,443.96 : 544,370.76 = 233,350.80 : x
  2. Step 2: Convert to fraction form
    394,443.96/544,370.76 = 233,350.80/x
  3. Step 3: Cross multiply
    394,443.96x = 544,370.76 × 233,350.80
  4. Step 4: Simplify right side
    394,443.96x = 127,029,352,342.61
  5. Step 5: Solve for x
    x = 127,029,352,342.61/394,443.96
  6. Step 6: Final answer
    x = 322,046.64

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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.