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Finding the Fourth Proportional to 324,667.86, 448,040.91 and 181,427.91

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Solution

The fourth proportional to 324,667.86, 448,040.91 and 181,427.91 is: 250,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,667.86 : 448,040.91 = 181,427.91 : x
  2. Step 2: Convert to fraction form
    324,667.86/448,040.91 = 181,427.91/x
  3. Step 3: Cross multiply
    324,667.86x = 448,040.91 × 181,427.91
  4. Step 4: Simplify right side
    324,667.86x = 81,287,125,895.80
  5. Step 5: Solve for x
    x = 81,287,125,895.80/324,667.86
  6. Step 6: Final answer
    x = 250,370.10

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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.