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Finding the Fourth Proportional to 407,791.63, 611,940.05 and 237,093.68

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Solution

The fourth proportional to 407,791.63, 611,940.05 and 237,093.68 is: 355,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,791.63 : 611,940.05 = 237,093.68 : x
  2. Step 2: Convert to fraction form
    407,791.63/611,940.05 = 237,093.68/x
  3. Step 3: Cross multiply
    407,791.63x = 611,940.05 × 237,093.68
  4. Step 4: Simplify right side
    407,791.63x = 145,087,118,393.88
  5. Step 5: Solve for x
    x = 145,087,118,393.88/407,791.63
  6. Step 6: Final answer
    x = 355,787.39

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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.