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Finding the Fourth Proportional to 341,370.78, 471,149.19 and 198,250.62

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Solution

The fourth proportional to 341,370.78, 471,149.19 and 198,250.62 is: 273,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,370.78 : 471,149.19 = 198,250.62 : x
  2. Step 2: Convert to fraction form
    341,370.78/471,149.19 = 198,250.62/x
  3. Step 3: Cross multiply
    341,370.78x = 471,149.19 × 198,250.62
  4. Step 4: Simplify right side
    341,370.78x = 93,405,619,030.00
  5. Step 5: Solve for x
    x = 93,405,619,030.00/341,370.78
  6. Step 6: Final answer
    x = 273,619.26

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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.