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Finding the Fourth Proportional to 504,523.54, 696,247.91 and 275,078.95

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Solution

The fourth proportional to 504,523.54, 696,247.91 and 275,078.95 is: 379,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,523.54 : 696,247.91 = 275,078.95 : x
  2. Step 2: Convert to fraction form
    504,523.54/696,247.91 = 275,078.95/x
  3. Step 3: Cross multiply
    504,523.54x = 696,247.91 × 275,078.95
  4. Step 4: Simplify right side
    504,523.54x = 191,523,143,839.88
  5. Step 5: Solve for x
    x = 191,523,143,839.88/504,523.54
  6. Step 6: Final answer
    x = 379,611.91

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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.