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Finding the Fourth Proportional to 558,546.76, 770,771.50 and 303,898.96

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Solution

The fourth proportional to 558,546.76, 770,771.50 and 303,898.96 is: 419,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,546.76 : 770,771.50 = 303,898.96 : x
  2. Step 2: Convert to fraction form
    558,546.76/770,771.50 = 303,898.96/x
  3. Step 3: Cross multiply
    558,546.76x = 770,771.50 × 303,898.96
  4. Step 4: Simplify right side
    558,546.76x = 234,236,657,247.64
  5. Step 5: Solve for x
    x = 234,236,657,247.64/558,546.76
  6. Step 6: Final answer
    x = 419,368.04

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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.