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Finding the Fourth Proportional to 276,027.30, 413,004.15 and 251,144.10

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Solution

The fourth proportional to 276,027.30, 413,004.15 and 251,144.10 is: 375,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,027.30 : 413,004.15 = 251,144.10 : x
  2. Step 2: Convert to fraction form
    276,027.30/413,004.15 = 251,144.10/x
  3. Step 3: Cross multiply
    276,027.30x = 413,004.15 × 251,144.10
  4. Step 4: Simplify right side
    276,027.30x = 103,723,555,548.02
  5. Step 5: Solve for x
    x = 103,723,555,548.02/276,027.30
  6. Step 6: Final answer
    x = 375,772.82

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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.