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Finding the Fourth Proportional to 443,104.36, 611,476.26 and 252,113.64

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Solution

The fourth proportional to 443,104.36, 611,476.26 and 252,113.64 is: 347,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,104.36 : 611,476.26 = 252,113.64 : x
  2. Step 2: Convert to fraction form
    443,104.36/611,476.26 = 252,113.64/x
  3. Step 3: Cross multiply
    443,104.36x = 611,476.26 × 252,113.64
  4. Step 4: Simplify right side
    443,104.36x = 154,161,505,682.19
  5. Step 5: Solve for x
    x = 154,161,505,682.19/443,104.36
  6. Step 6: Final answer
    x = 347,912.41

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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.