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Finding the Fourth Proportional to 366,906.23, 550,359.34 and 338,037.83

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Solution

The fourth proportional to 366,906.23, 550,359.34 and 338,037.83 is: 507,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,906.23 : 550,359.34 = 338,037.83 : x
  2. Step 2: Convert to fraction form
    366,906.23/550,359.34 = 338,037.83/x
  3. Step 3: Cross multiply
    366,906.23x = 550,359.34 × 338,037.83
  4. Step 4: Simplify right side
    366,906.23x = 186,042,273,416.94
  5. Step 5: Solve for x
    x = 186,042,273,416.94/366,906.23
  6. Step 6: Final answer
    x = 507,056.74

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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.