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Finding the Fourth Proportional to 324,716.80, 448,109.84 and 181,476.84

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Solution

The fourth proportional to 324,716.80, 448,109.84 and 181,476.84 is: 250,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,716.80 : 448,109.84 = 181,476.84 : x
  2. Step 2: Convert to fraction form
    324,716.80/448,109.84 = 181,476.84/x
  3. Step 3: Cross multiply
    324,716.80x = 448,109.84 × 181,476.84
  4. Step 4: Simplify right side
    324,716.80x = 81,321,556,828.72
  5. Step 5: Solve for x
    x = 81,321,556,828.72/324,716.80
  6. Step 6: Final answer
    x = 250,438.40

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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.