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Finding the Fourth Proportional to 624,651.70, 936,747.15 and 203,941.30

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Solution

The fourth proportional to 624,651.70, 936,747.15 and 203,941.30 is: 305,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,651.70 : 936,747.15 = 203,941.30 : x
  2. Step 2: Convert to fraction form
    624,651.70/936,747.15 = 203,941.30/x
  3. Step 3: Cross multiply
    624,651.70x = 936,747.15 × 203,941.30
  4. Step 4: Simplify right side
    624,651.70x = 191,041,431,542.30
  5. Step 5: Solve for x
    x = 191,041,431,542.30/624,651.70
  6. Step 6: Final answer
    x = 305,836.73

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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.