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Finding the Fourth Proportional to 300,891.46, 415,275.96 and 192,042.82

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Solution

The fourth proportional to 300,891.46, 415,275.96 and 192,042.82 is: 265,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,891.46 : 415,275.96 = 192,042.82 : x
  2. Step 2: Convert to fraction form
    300,891.46/415,275.96 = 192,042.82/x
  3. Step 3: Cross multiply
    300,891.46x = 415,275.96 × 192,042.82
  4. Step 4: Simplify right side
    300,891.46x = 79,750,766,436.61
  5. Step 5: Solve for x
    x = 79,750,766,436.61/300,891.46
  6. Step 6: Final answer
    x = 265,048.29

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1.5x scale

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.