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Finding the Fourth Proportional to 411,818.88, 617,583.60 and 123,544.56

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Solution

The fourth proportional to 411,818.88, 617,583.60 and 123,544.56 is: 185,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,818.88 : 617,583.60 = 123,544.56 : x
  2. Step 2: Convert to fraction form
    411,818.88/617,583.60 = 123,544.56/x
  3. Step 3: Cross multiply
    411,818.88x = 617,583.60 × 123,544.56
  4. Step 4: Simplify right side
    411,818.88x = 76,299,094,125.22
  5. Step 5: Solve for x
    x = 76,299,094,125.22/411,818.88
  6. Step 6: Final answer
    x = 185,273.42

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