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Finding the Fourth Proportional to 324,582.73, 447,915.90 and 181,343.85

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Solution

The fourth proportional to 324,582.73, 447,915.90 and 181,343.85 is: 250,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,582.73 : 447,915.90 = 181,343.85 : x
  2. Step 2: Convert to fraction form
    324,582.73/447,915.90 = 181,343.85/x
  3. Step 3: Cross multiply
    324,582.73x = 447,915.90 × 181,343.85
  4. Step 4: Simplify right side
    324,582.73x = 81,226,793,782.22
  5. Step 5: Solve for x
    x = 81,226,793,782.22/324,582.73
  6. Step 6: Final answer
    x = 250,249.89

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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.