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Finding the Fourth Proportional to 624,518.72, 936,876 and 203,697.44

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Solution

The fourth proportional to 624,518.72, 936,876 and 203,697.44 is: 305,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,518.72 : 936,876 = 203,697.44 : x
  2. Step 2: Convert to fraction form
    624,518.72/936,876 = 203,697.44/x
  3. Step 3: Cross multiply
    624,518.72x = 936,876 × 203,697.44
  4. Step 4: Simplify right side
    624,518.72x = 190,839,242,797.44
  5. Step 5: Solve for x
    x = 190,839,242,797.44/624,518.72
  6. Step 6: Final answer
    x = 305,578.10

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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.