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Finding the Fourth Proportional to 273,676.30, 409,530.30 and 185,102.80

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Solution

The fourth proportional to 273,676.30, 409,530.30 and 185,102.80 is: 276,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,676.30 : 409,530.30 = 185,102.80 : x
  2. Step 2: Convert to fraction form
    273,676.30/409,530.30 = 185,102.80/x
  3. Step 3: Cross multiply
    273,676.30x = 409,530.30 × 185,102.80
  4. Step 4: Simplify right side
    273,676.30x = 75,805,205,214.84
  5. Step 5: Solve for x
    x = 75,805,205,214.84/273,676.30
  6. Step 6: Final answer
    x = 276,988.56

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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.