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Finding the Fourth Proportional to 341,992.82, 471,935.48 and 189,023.18

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Solution

The fourth proportional to 341,992.82, 471,935.48 and 189,023.18 is: 260,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,992.82 : 471,935.48 = 189,023.18 : x
  2. Step 2: Convert to fraction form
    341,992.82/471,935.48 = 189,023.18/x
  3. Step 3: Cross multiply
    341,992.82x = 471,935.48 × 189,023.18
  4. Step 4: Simplify right side
    341,992.82x = 89,206,745,184.43
  5. Step 5: Solve for x
    x = 89,206,745,184.43/341,992.82
  6. Step 6: Final answer
    x = 260,843.91

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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.