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Finding the Fourth Proportional to 599,778.24, 899,814.96 and 422,631.24

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Solution

The fourth proportional to 599,778.24, 899,814.96 and 422,631.24 is: 634,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,778.24 : 899,814.96 = 422,631.24 : x
  2. Step 2: Convert to fraction form
    599,778.24/899,814.96 = 422,631.24/x
  3. Step 3: Cross multiply
    599,778.24x = 899,814.96 × 422,631.24
  4. Step 4: Simplify right side
    599,778.24x = 380,289,912,315.35
  5. Step 5: Solve for x
    x = 380,289,912,315.35/599,778.24
  6. Step 6: Final answer
    x = 634,050.87

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