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Finding the Fourth Proportional to 366,713.89, 550,228.89 and 198,352.75

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Solution

The fourth proportional to 366,713.89, 550,228.89 and 198,352.75 is: 297,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,713.89 : 550,228.89 = 198,352.75 : x
  2. Step 2: Convert to fraction form
    366,713.89/550,228.89 = 198,352.75/x
  3. Step 3: Cross multiply
    366,713.89x = 550,228.89 × 198,352.75
  4. Step 4: Simplify right side
    366,713.89x = 109,139,413,460.95
  5. Step 5: Solve for x
    x = 109,139,413,460.95/366,713.89
  6. Step 6: Final answer
    x = 297,614.62

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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.