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Finding the Fourth Proportional to 347,536.96, 479,561.52 and 194,553.88

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Solution

The fourth proportional to 347,536.96, 479,561.52 and 194,553.88 is: 268,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,536.96 : 479,561.52 = 194,553.88 : x
  2. Step 2: Convert to fraction form
    347,536.96/479,561.52 = 194,553.88/x
  3. Step 3: Cross multiply
    347,536.96x = 479,561.52 × 194,553.88
  4. Step 4: Simplify right side
    347,536.96x = 93,300,554,414.70
  5. Step 5: Solve for x
    x = 93,300,554,414.70/347,536.96
  6. Step 6: Final answer
    x = 268,462.25

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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.