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Finding the Fourth Proportional to 557,806.50, 836,377.02 and 220,895.46

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Solution

The fourth proportional to 557,806.50, 836,377.02 and 220,895.46 is: 331,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,806.50 : 836,377.02 = 220,895.46 : x
  2. Step 2: Convert to fraction form
    557,806.50/836,377.02 = 220,895.46/x
  3. Step 3: Cross multiply
    557,806.50x = 836,377.02 × 220,895.46
  4. Step 4: Simplify right side
    557,806.50x = 184,751,886,566.33
  5. Step 5: Solve for x
    x = 184,751,886,566.33/557,806.50
  6. Step 6: Final answer
    x = 331,211.43

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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.