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Finding the Fourth Proportional to 300,029.37, 413,845.44 and 192,428.97

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Solution

The fourth proportional to 300,029.37, 413,845.44 and 192,428.97 is: 265,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,029.37 : 413,845.44 = 192,428.97 : x
  2. Step 2: Convert to fraction form
    300,029.37/413,845.44 = 192,428.97/x
  3. Step 3: Cross multiply
    300,029.37x = 413,845.44 × 192,428.97
  4. Step 4: Simplify right side
    300,029.37x = 79,635,851,758.40
  5. Step 5: Solve for x
    x = 79,635,851,758.40/300,029.37
  6. Step 6: Final answer
    x = 265,426.85

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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.