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Finding the Fourth Proportional to 320,092.80, 441,589.32 and 192,694.59

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Solution

The fourth proportional to 320,092.80, 441,589.32 and 192,694.59 is: 265,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,092.80 : 441,589.32 = 192,694.59 : x
  2. Step 2: Convert to fraction form
    320,092.80/441,589.32 = 192,694.59/x
  3. Step 3: Cross multiply
    320,092.80x = 441,589.32 × 192,694.59
  4. Step 4: Simplify right side
    320,092.80x = 85,091,872,965.78
  5. Step 5: Solve for x
    x = 85,091,872,965.78/320,092.80
  6. Step 6: Final answer
    x = 265,835.01

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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.