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Finding the Fourth Proportional to 503,000.95, 694,145.91 and 273,560.44

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Solution

The fourth proportional to 503,000.95, 694,145.91 and 273,560.44 is: 377,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,000.95 : 694,145.91 = 273,560.44 : x
  2. Step 2: Convert to fraction form
    503,000.95/694,145.91 = 273,560.44/x
  3. Step 3: Cross multiply
    503,000.95x = 694,145.91 × 273,560.44
  4. Step 4: Simplify right side
    503,000.95x = 189,890,860,563.80
  5. Step 5: Solve for x
    x = 189,890,860,563.80/503,000.95
  6. Step 6: Final answer
    x = 377,515.91

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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.