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Finding the Fourth Proportional to 496,072.80, 744,400.80 and 180,561.60

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Solution

The fourth proportional to 496,072.80, 744,400.80 and 180,561.60 is: 270,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,072.80 : 744,400.80 = 180,561.60 : x
  2. Step 2: Convert to fraction form
    496,072.80/744,400.80 = 180,561.60/x
  3. Step 3: Cross multiply
    496,072.80x = 744,400.80 × 180,561.60
  4. Step 4: Simplify right side
    496,072.80x = 134,410,199,489.28
  5. Step 5: Solve for x
    x = 134,410,199,489.28/496,072.80
  6. Step 6: Final answer
    x = 270,948.54

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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.