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Finding the Fourth Proportional to 341,009.19, 470,635.11 and 195,860.43

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Solution

The fourth proportional to 341,009.19, 470,635.11 and 195,860.43 is: 270,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,009.19 : 470,635.11 = 195,860.43 : x
  2. Step 2: Convert to fraction form
    341,009.19/470,635.11 = 195,860.43/x
  3. Step 3: Cross multiply
    341,009.19x = 470,635.11 × 195,860.43
  4. Step 4: Simplify right side
    341,009.19x = 92,178,795,017.70
  5. Step 5: Solve for x
    x = 92,178,795,017.70/341,009.19
  6. Step 6: Final answer
    x = 270,311.76

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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.