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Finding the Fourth Proportional to 394,573.41, 544,516.74 and 233,424.27

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Solution

The fourth proportional to 394,573.41, 544,516.74 and 233,424.27 is: 322,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,573.41 : 544,516.74 = 233,424.27 : x
  2. Step 2: Convert to fraction form
    394,573.41/544,516.74 = 233,424.27/x
  3. Step 3: Cross multiply
    394,573.41x = 544,516.74 × 233,424.27
  4. Step 4: Simplify right side
    394,573.41x = 127,103,422,537.28
  5. Step 5: Solve for x
    x = 127,103,422,537.28/394,573.41
  6. Step 6: Final answer
    x = 322,128.71

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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.