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Finding the Fourth Proportional to 394,382.57, 544,359.44 and 233,293.62

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Solution

The fourth proportional to 394,382.57, 544,359.44 and 233,293.62 is: 322,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,382.57 : 544,359.44 = 233,293.62 : x
  2. Step 2: Convert to fraction form
    394,382.57/544,359.44 = 233,293.62/x
  3. Step 3: Cross multiply
    394,382.57x = 544,359.44 × 233,293.62
  4. Step 4: Simplify right side
    394,382.57x = 126,995,582,589.06
  5. Step 5: Solve for x
    x = 126,995,582,589.06/394,382.57
  6. Step 6: Final answer
    x = 322,011.14

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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.