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Finding the Fourth Proportional to 325,613.94, 449,566.65 and 203,292.74

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Solution

The fourth proportional to 325,613.94, 449,566.65 and 203,292.74 is: 280,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,613.94 : 449,566.65 = 203,292.74 : x
  2. Step 2: Convert to fraction form
    325,613.94/449,566.65 = 203,292.74/x
  3. Step 3: Cross multiply
    325,613.94x = 449,566.65 × 203,292.74
  4. Step 4: Simplify right side
    325,613.94x = 91,393,633,843.29
  5. Step 5: Solve for x
    x = 91,393,633,843.29/325,613.94
  6. Step 6: Final answer
    x = 280,680.96

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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.