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Finding the Fourth Proportional to 373,211.80, 559,817.70 and 223,912.60

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Solution

The fourth proportional to 373,211.80, 559,817.70 and 223,912.60 is: 335,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,211.80 : 559,817.70 = 223,912.60 : x
  2. Step 2: Convert to fraction form
    373,211.80/559,817.70 = 223,912.60/x
  3. Step 3: Cross multiply
    373,211.80x = 559,817.70 × 223,912.60
  4. Step 4: Simplify right side
    373,211.80x = 125,350,236,733.02
  5. Step 5: Solve for x
    x = 125,350,236,733.02/373,211.80
  6. Step 6: Final answer
    x = 335,868.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.