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Finding the Fourth Proportional to 356,060.46, 491,369.22 and 194,912.78

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Solution

The fourth proportional to 356,060.46, 491,369.22 and 194,912.78 is: 268,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,060.46 : 491,369.22 = 194,912.78 : x
  2. Step 2: Convert to fraction form
    356,060.46/491,369.22 = 194,912.78/x
  3. Step 3: Cross multiply
    356,060.46x = 491,369.22 × 194,912.78
  4. Step 4: Simplify right side
    356,060.46x = 95,774,140,676.63
  5. Step 5: Solve for x
    x = 95,774,140,676.63/356,060.46
  6. Step 6: Final answer
    x = 268,982.80

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1.5x scale

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.