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Finding the Fourth Proportional to 345,659.84, 477,060 and 194,770.88

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Solution

The fourth proportional to 345,659.84, 477,060 and 194,770.88 is: 268,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,659.84 : 477,060 = 194,770.88 : x
  2. Step 2: Convert to fraction form
    345,659.84/477,060 = 194,770.88/x
  3. Step 3: Cross multiply
    345,659.84x = 477,060 × 194,770.88
  4. Step 4: Simplify right side
    345,659.84x = 92,917,396,012.80
  5. Step 5: Solve for x
    x = 92,917,396,012.80/345,659.84
  6. Step 6: Final answer
    x = 268,811.66

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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.