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Finding the Fourth Proportional to 324,466.80, 447,781.68 and 181,230

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Solution

The fourth proportional to 324,466.80, 447,781.68 and 181,230 is: 250,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,466.80 : 447,781.68 = 181,230 : x
  2. Step 2: Convert to fraction form
    324,466.80/447,781.68 = 181,230/x
  3. Step 3: Cross multiply
    324,466.80x = 447,781.68 × 181,230
  4. Step 4: Simplify right side
    324,466.80x = 81,151,473,866.40
  5. Step 5: Solve for x
    x = 81,151,473,866.40/324,466.80
  6. Step 6: Final answer
    x = 250,107.17

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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.