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Finding the Fourth Proportional to 382,611.80, 572,556.90 and 333,234.20

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Solution

The fourth proportional to 382,611.80, 572,556.90 and 333,234.20 is: 498,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,611.80 : 572,556.90 = 333,234.20 : x
  2. Step 2: Convert to fraction form
    382,611.80/572,556.90 = 333,234.20/x
  3. Step 3: Cross multiply
    382,611.80x = 572,556.90 × 333,234.20
  4. Step 4: Simplify right side
    382,611.80x = 190,795,540,525.98
  5. Step 5: Solve for x
    x = 190,795,540,525.98/382,611.80
  6. Step 6: Final answer
    x = 498,666.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.