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Finding the Fourth Proportional to 303,894.75, 419,374.77 and 169,758.75

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Solution

The fourth proportional to 303,894.75, 419,374.77 and 169,758.75 is: 234,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,894.75 : 419,374.77 = 169,758.75 : x
  2. Step 2: Convert to fraction form
    303,894.75/419,374.77 = 169,758.75/x
  3. Step 3: Cross multiply
    303,894.75x = 419,374.77 × 169,758.75
  4. Step 4: Simplify right side
    303,894.75x = 71,192,536,736.74
  5. Step 5: Solve for x
    x = 71,192,536,736.74/303,894.75
  6. Step 6: Final answer
    x = 234,267.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.