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Finding the Fourth Proportional to 366,830.88, 550,404.72 and 198,469.84

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Solution

The fourth proportional to 366,830.88, 550,404.72 and 198,469.84 is: 297,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,830.88 : 550,404.72 = 198,469.84 : x
  2. Step 2: Convert to fraction form
    366,830.88/550,404.72 = 198,469.84/x
  3. Step 3: Cross multiply
    366,830.88x = 550,404.72 × 198,469.84
  4. Step 4: Simplify right side
    366,830.88x = 109,238,736,713.65
  5. Step 5: Solve for x
    x = 109,238,736,713.65/366,830.88
  6. Step 6: Final answer
    x = 297,790.46

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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.