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Finding the Fourth Proportional to 251,207.80, 376,811.70 and 227,588.20

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Solution

The fourth proportional to 251,207.80, 376,811.70 and 227,588.20 is: 341,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,207.80 : 376,811.70 = 227,588.20 : x
  2. Step 2: Convert to fraction form
    251,207.80/376,811.70 = 227,588.20/x
  3. Step 3: Cross multiply
    251,207.80x = 376,811.70 × 227,588.20
  4. Step 4: Simplify right side
    251,207.80x = 85,757,896,541.94
  5. Step 5: Solve for x
    x = 85,757,896,541.94/251,207.80
  6. Step 6: Final answer
    x = 341,382.30

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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.