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Finding the Fourth Proportional to 341,401.79, 471,064.13 and 196,179.51

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Solution

The fourth proportional to 341,401.79, 471,064.13 and 196,179.51 is: 270,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,401.79 : 471,064.13 = 196,179.51 : x
  2. Step 2: Convert to fraction form
    341,401.79/471,064.13 = 196,179.51/x
  3. Step 3: Cross multiply
    341,401.79x = 471,064.13 × 196,179.51
  4. Step 4: Simplify right side
    341,401.79x = 92,413,130,201.98
  5. Step 5: Solve for x
    x = 92,413,130,201.98/341,401.79
  6. Step 6: Final answer
    x = 270,687.30

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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.