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Finding the Fourth Proportional to 503,366.88, 694,651.20 and 277,017.60

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Solution

The fourth proportional to 503,366.88, 694,651.20 and 277,017.60 is: 382,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,366.88 : 694,651.20 = 277,017.60 : x
  2. Step 2: Convert to fraction form
    503,366.88/694,651.20 = 277,017.60/x
  3. Step 3: Cross multiply
    503,366.88x = 694,651.20 × 277,017.60
  4. Step 4: Simplify right side
    503,366.88x = 192,430,608,261.12
  5. Step 5: Solve for x
    x = 192,430,608,261.12/503,366.88
  6. Step 6: Final answer
    x = 382,286.99

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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.