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Finding the Fourth Proportional to 366,972.70, 550,459.05 and 252,811.30

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Solution

The fourth proportional to 366,972.70, 550,459.05 and 252,811.30 is: 379,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,972.70 : 550,459.05 = 252,811.30 : x
  2. Step 2: Convert to fraction form
    366,972.70/550,459.05 = 252,811.30/x
  3. Step 3: Cross multiply
    366,972.70x = 550,459.05 × 252,811.30
  4. Step 4: Simplify right side
    366,972.70x = 139,162,268,027.27
  5. Step 5: Solve for x
    x = 139,162,268,027.27/366,972.70
  6. Step 6: Final answer
    x = 379,216.95

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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.