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Finding the Fourth Proportional to 538,244.42, 807,440.45 and 159,194.97

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Solution

The fourth proportional to 538,244.42, 807,440.45 and 159,194.97 is: 238,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,244.42 : 807,440.45 = 159,194.97 : x
  2. Step 2: Convert to fraction form
    538,244.42/807,440.45 = 159,194.97/x
  3. Step 3: Cross multiply
    538,244.42x = 807,440.45 × 159,194.97
  4. Step 4: Simplify right side
    538,244.42x = 128,540,457,418.56
  5. Step 5: Solve for x
    x = 128,540,457,418.56/538,244.42
  6. Step 6: Final answer
    x = 238,814.29

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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.