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Finding the Fourth Proportional to 341,845.20, 471,744.57 and 188,893.94

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Solution

The fourth proportional to 341,845.20, 471,744.57 and 188,893.94 is: 260,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,845.20 : 471,744.57 = 188,893.94 : x
  2. Step 2: Convert to fraction form
    341,845.20/471,744.57 = 188,893.94/x
  3. Step 3: Cross multiply
    341,845.20x = 471,744.57 × 188,893.94
  4. Step 4: Simplify right side
    341,845.20x = 89,109,690,500.91
  5. Step 5: Solve for x
    x = 89,109,690,500.91/341,845.20
  6. Step 6: Final answer
    x = 260,672.64

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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.