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Finding the Fourth Proportional to 615,769.31, 850,348.49 and 582,222.54

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Solution

The fourth proportional to 615,769.31, 850,348.49 and 582,222.54 is: 804,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,769.31 : 850,348.49 = 582,222.54 : x
  2. Step 2: Convert to fraction form
    615,769.31/850,348.49 = 582,222.54/x
  3. Step 3: Cross multiply
    615,769.31x = 850,348.49 × 582,222.54
  4. Step 4: Simplify right side
    615,769.31x = 495,092,054,821.85
  5. Step 5: Solve for x
    x = 495,092,054,821.85/615,769.31
  6. Step 6: Final answer
    x = 804,021.98

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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.