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Finding the Fourth Proportional to 550,186.75, 825,517.71 and 297,645.15

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Solution

The fourth proportional to 550,186.75, 825,517.71 and 297,645.15 is: 446,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,186.75 : 825,517.71 = 297,645.15 : x
  2. Step 2: Convert to fraction form
    550,186.75/825,517.71 = 297,645.15/x
  3. Step 3: Cross multiply
    550,186.75x = 825,517.71 × 297,645.15
  4. Step 4: Simplify right side
    550,186.75x = 245,711,339,103.36
  5. Step 5: Solve for x
    x = 245,711,339,103.36/550,186.75
  6. Step 6: Final answer
    x = 446,596.25

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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.