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Finding the Fourth Proportional to 366,944.55, 550,416.83 and 317,080.95

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Solution

The fourth proportional to 366,944.55, 550,416.83 and 317,080.95 is: 475,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,944.55 : 550,416.83 = 317,080.95 : x
  2. Step 2: Convert to fraction form
    366,944.55/550,416.83 = 317,080.95/x
  3. Step 3: Cross multiply
    366,944.55x = 550,416.83 × 317,080.95
  4. Step 4: Simplify right side
    366,944.55x = 174,526,689,766.98
  5. Step 5: Solve for x
    x = 174,526,689,766.98/366,944.55
  6. Step 6: Final answer
    x = 475,621.43

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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.