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Finding the Fourth Proportional to 324,634.40, 447,994.50 and 181,394.54

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Solution

The fourth proportional to 324,634.40, 447,994.50 and 181,394.54 is: 250,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,634.40 : 447,994.50 = 181,394.54 : x
  2. Step 2: Convert to fraction form
    324,634.40/447,994.50 = 181,394.54/x
  3. Step 3: Cross multiply
    324,634.40x = 447,994.50 × 181,394.54
  4. Step 4: Simplify right side
    324,634.40x = 81,263,755,009.81
  5. Step 5: Solve for x
    x = 81,263,755,009.81/324,634.40
  6. Step 6: Final answer
    x = 250,323.92

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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.