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Finding the Fourth Proportional to 537,679.28, 741,910.58 and 308,194.33

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Solution

The fourth proportional to 537,679.28, 741,910.58 and 308,194.33 is: 425,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,679.28 : 741,910.58 = 308,194.33 : x
  2. Step 2: Convert to fraction form
    537,679.28/741,910.58 = 308,194.33/x
  3. Step 3: Cross multiply
    537,679.28x = 741,910.58 × 308,194.33
  4. Step 4: Simplify right side
    537,679.28x = 228,652,634,123.01
  5. Step 5: Solve for x
    x = 228,652,634,123.01/537,679.28
  6. Step 6: Final answer
    x = 425,258.41

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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.