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Finding the Fourth Proportional to 341,968.03, 471,940.31 and 189,002.93

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Solution

The fourth proportional to 341,968.03, 471,940.31 and 189,002.93 is: 260,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,968.03 : 471,940.31 = 189,002.93 : x
  2. Step 2: Convert to fraction form
    341,968.03/471,940.31 = 189,002.93/x
  3. Step 3: Cross multiply
    341,968.03x = 471,940.31 × 189,002.93
  4. Step 4: Simplify right side
    341,968.03x = 89,198,099,487.91
  5. Step 5: Solve for x
    x = 89,198,099,487.91/341,968.03
  6. Step 6: Final answer
    x = 260,837.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.