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Finding the Fourth Proportional to 341,206.45, 511,791.21 and 104,549.83

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Solution

The fourth proportional to 341,206.45, 511,791.21 and 104,549.83 is: 156,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,206.45 : 511,791.21 = 104,549.83 : x
  2. Step 2: Convert to fraction form
    341,206.45/511,791.21 = 104,549.83/x
  3. Step 3: Cross multiply
    341,206.45x = 511,791.21 × 104,549.83
  4. Step 4: Simplify right side
    341,206.45x = 53,507,684,000.99
  5. Step 5: Solve for x
    x = 53,507,684,000.99/341,206.45
  6. Step 6: Final answer
    x = 156,819.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.