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Finding the Fourth Proportional to 851,951.50, 1,277,708.54 and 252,770.90

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Solution

The fourth proportional to 851,951.50, 1,277,708.54 and 252,770.90 is: 379,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,951.50 : 1,277,708.54 = 252,770.90 : x
  2. Step 2: Convert to fraction form
    851,951.50/1,277,708.54 = 252,770.90/x
  3. Step 3: Cross multiply
    851,951.50x = 1,277,708.54 × 252,770.90
  4. Step 4: Simplify right side
    851,951.50x = 322,967,537,593.49
  5. Step 5: Solve for x
    x = 322,967,537,593.49/851,951.50
  6. Step 6: Final answer
    x = 379,091.46

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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.