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Finding the Fourth Proportional to 273,027.70, 409,541.55 and 173,628.55

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Solution

The fourth proportional to 273,027.70, 409,541.55 and 173,628.55 is: 260,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,027.70 : 409,541.55 = 173,628.55 : x
  2. Step 2: Convert to fraction form
    273,027.70/409,541.55 = 173,628.55/x
  3. Step 3: Cross multiply
    273,027.70x = 409,541.55 × 173,628.55
  4. Step 4: Simplify right side
    273,027.70x = 71,108,105,491.25
  5. Step 5: Solve for x
    x = 71,108,105,491.25/273,027.70
  6. Step 6: Final answer
    x = 260,442.83

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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.