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Finding the Fourth Proportional to 578,892.24, 798,861.96 and 324,242.64

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Solution

The fourth proportional to 578,892.24, 798,861.96 and 324,242.64 is: 447,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,892.24 : 798,861.96 = 324,242.64 : x
  2. Step 2: Convert to fraction form
    578,892.24/798,861.96 = 324,242.64/x
  3. Step 3: Cross multiply
    578,892.24x = 798,861.96 × 324,242.64
  4. Step 4: Simplify right side
    578,892.24x = 259,025,110,905.97
  5. Step 5: Solve for x
    x = 259,025,110,905.97/578,892.24
  6. Step 6: Final answer
    x = 447,449.62

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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.