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Finding the Fourth Proportional to 276,672.30, 415,008.45 and 182,193.90

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Solution

The fourth proportional to 276,672.30, 415,008.45 and 182,193.90 is: 273,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,672.30 : 415,008.45 = 182,193.90 : x
  2. Step 2: Convert to fraction form
    276,672.30/415,008.45 = 182,193.90/x
  3. Step 3: Cross multiply
    276,672.30x = 415,008.45 × 182,193.90
  4. Step 4: Simplify right side
    276,672.30x = 75,612,008,038.46
  5. Step 5: Solve for x
    x = 75,612,008,038.46/276,672.30
  6. Step 6: Final answer
    x = 273,290.85

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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.