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Finding the Fourth Proportional to 345,892.75, 477,330.76 and 192,930.82

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Solution

The fourth proportional to 345,892.75, 477,330.76 and 192,930.82 is: 266,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,892.75 : 477,330.76 = 192,930.82 : x
  2. Step 2: Convert to fraction form
    345,892.75/477,330.76 = 192,930.82/x
  3. Step 3: Cross multiply
    345,892.75x = 477,330.76 × 192,930.82
  4. Step 4: Simplify right side
    345,892.75x = 92,091,811,586.72
  5. Step 5: Solve for x
    x = 92,091,811,586.72/345,892.75
  6. Step 6: Final answer
    x = 266,243.84

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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.