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Finding the Fourth Proportional to 324,649.92, 448,015.52 and 181,409.96

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Solution

The fourth proportional to 324,649.92, 448,015.52 and 181,409.96 is: 250,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,649.92 : 448,015.52 = 181,409.96 : x
  2. Step 2: Convert to fraction form
    324,649.92/448,015.52 = 181,409.96/x
  3. Step 3: Cross multiply
    324,649.92x = 448,015.52 × 181,409.96
  4. Step 4: Simplify right side
    324,649.92x = 81,274,474,415.45
  5. Step 5: Solve for x
    x = 81,274,474,415.45/324,649.92
  6. Step 6: Final answer
    x = 250,344.97

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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.