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Finding the Fourth Proportional to 558,522.44, 770,738.10 and 303,873.88

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Solution

The fourth proportional to 558,522.44, 770,738.10 and 303,873.88 is: 419,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,522.44 : 770,738.10 = 303,873.88 : x
  2. Step 2: Convert to fraction form
    558,522.44/770,738.10 = 303,873.88/x
  3. Step 3: Cross multiply
    558,522.44x = 770,738.10 × 303,873.88
  4. Step 4: Simplify right side
    558,522.44x = 234,207,176,910.83
  5. Step 5: Solve for x
    x = 234,207,176,910.83/558,522.44
  6. Step 6: Final answer
    x = 419,333.51

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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.