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Finding the Fourth Proportional to 231,040.70, 346,561.05 and 227,930.30

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Solution

The fourth proportional to 231,040.70, 346,561.05 and 227,930.30 is: 341,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,040.70 : 346,561.05 = 227,930.30 : x
  2. Step 2: Convert to fraction form
    231,040.70/346,561.05 = 227,930.30/x
  3. Step 3: Cross multiply
    231,040.70x = 346,561.05 × 227,930.30
  4. Step 4: Simplify right side
    231,040.70x = 78,991,764,094.82
  5. Step 5: Solve for x
    x = 78,991,764,094.82/231,040.70
  6. Step 6: Final answer
    x = 341,895.45

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1.5x scale

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.