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Finding the Fourth Proportional to 347,668.82, 479,760.12 and 194,671.93

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Solution

The fourth proportional to 347,668.82, 479,760.12 and 194,671.93 is: 268,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,668.82 : 479,760.12 = 194,671.93 : x
  2. Step 2: Convert to fraction form
    347,668.82/479,760.12 = 194,671.93/x
  3. Step 3: Cross multiply
    347,668.82x = 479,760.12 × 194,671.93
  4. Step 4: Simplify right side
    347,668.82x = 93,395,828,497.43
  5. Step 5: Solve for x
    x = 93,395,828,497.43/347,668.82
  6. Step 6: Final answer
    x = 268,634.47

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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.