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Finding the Fourth Proportional to 633,072.87, 949,619.43 and 206,607.06

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Solution

The fourth proportional to 633,072.87, 949,619.43 and 206,607.06 is: 309,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,072.87 : 949,619.43 = 206,607.06 : x
  2. Step 2: Convert to fraction form
    633,072.87/949,619.43 = 206,607.06/x
  3. Step 3: Cross multiply
    633,072.87x = 949,619.43 × 206,607.06
  4. Step 4: Simplify right side
    633,072.87x = 196,198,078,551.18
  5. Step 5: Solve for x
    x = 196,198,078,551.18/633,072.87
  6. Step 6: Final answer
    x = 309,913.89

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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.