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Finding the Fourth Proportional to 568,647.03, 852,911.94 and 189,526.80

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Solution

The fourth proportional to 568,647.03, 852,911.94 and 189,526.80 is: 284,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,647.03 : 852,911.94 = 189,526.80 : x
  2. Step 2: Convert to fraction form
    568,647.03/852,911.94 = 189,526.80/x
  3. Step 3: Cross multiply
    568,647.03x = 852,911.94 × 189,526.80
  4. Step 4: Simplify right side
    568,647.03x = 161,649,670,669.99
  5. Step 5: Solve for x
    x = 161,649,670,669.99/568,647.03
  6. Step 6: Final answer
    x = 284,270.67

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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.