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Finding the Fourth Proportional to 558,508, 770,744.46 and 303,861.04

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Solution

The fourth proportional to 558,508, 770,744.46 and 303,861.04 is: 419,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,508 : 770,744.46 = 303,861.04 : x
  2. Step 2: Convert to fraction form
    558,508/770,744.46 = 303,861.04/x
  3. Step 3: Cross multiply
    558,508x = 770,744.46 × 303,861.04
  4. Step 4: Simplify right side
    558,508x = 234,199,213,189.84
  5. Step 5: Solve for x
    x = 234,199,213,189.84/558,508
  6. Step 6: Final answer
    x = 419,330.10

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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.