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Finding the Fourth Proportional to 503,375.37, 694,658.09 and 277,020.87

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Solution

The fourth proportional to 503,375.37, 694,658.09 and 277,020.87 is: 382,288.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,375.37 : 694,658.09 = 277,020.87 : x
  2. Step 2: Convert to fraction form
    503,375.37/694,658.09 = 277,020.87/x
  3. Step 3: Cross multiply
    503,375.37x = 694,658.09 × 277,020.87
  4. Step 4: Simplify right side
    503,375.37x = 192,434,784,971.05
  5. Step 5: Solve for x
    x = 192,434,784,971.05/503,375.37
  6. Step 6: Final answer
    x = 382,288.84

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1.5x scale

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.