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Finding the Fourth Proportional to 599,074.50, 899,213.16 and 279,444.42

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Solution

The fourth proportional to 599,074.50, 899,213.16 and 279,444.42 is: 419,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,074.50 : 899,213.16 = 279,444.42 : x
  2. Step 2: Convert to fraction form
    599,074.50/899,213.16 = 279,444.42/x
  3. Step 3: Cross multiply
    599,074.50x = 899,213.16 × 279,444.42
  4. Step 4: Simplify right side
    599,074.50x = 251,280,099,952.57
  5. Step 5: Solve for x
    x = 251,280,099,952.57/599,074.50
  6. Step 6: Final answer
    x = 419,447.16

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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.