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Finding the Fourth Proportional to 599,611.20, 899,704.80 and 400,027.20

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Solution

The fourth proportional to 599,611.20, 899,704.80 and 400,027.20 is: 600,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,611.20 : 899,704.80 = 400,027.20 : x
  2. Step 2: Convert to fraction form
    599,611.20/899,704.80 = 400,027.20/x
  3. Step 3: Cross multiply
    599,611.20x = 899,704.80 × 400,027.20
  4. Step 4: Simplify right side
    599,611.20x = 359,906,391,970.56
  5. Step 5: Solve for x
    x = 359,906,391,970.56/599,611.20
  6. Step 6: Final answer
    x = 600,232.94

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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.