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Finding the Fourth Proportional to 347,753.39, 479,894.09 and 194,791.23

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Solution

The fourth proportional to 347,753.39, 479,894.09 and 194,791.23 is: 268,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753.39 : 479,894.09 = 194,791.23 : x
  2. Step 2: Convert to fraction form
    347,753.39/479,894.09 = 194,791.23/x
  3. Step 3: Cross multiply
    347,753.39x = 479,894.09 × 194,791.23
  4. Step 4: Simplify right side
    347,753.39x = 93,479,159,086.87
  5. Step 5: Solve for x
    x = 93,479,159,086.87/347,753.39
  6. Step 6: Final answer
    x = 268,808.77

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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.