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Finding the Fourth Proportional to 347,161.29, 479,059.98 and 194,172.98

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Solution

The fourth proportional to 347,161.29, 479,059.98 and 194,172.98 is: 267,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,161.29 : 479,059.98 = 194,172.98 : x
  2. Step 2: Convert to fraction form
    347,161.29/479,059.98 = 194,172.98/x
  3. Step 3: Cross multiply
    347,161.29x = 479,059.98 × 194,172.98
  4. Step 4: Simplify right side
    347,161.29x = 93,020,501,520.04
  5. Step 5: Solve for x
    x = 93,020,501,520.04/347,161.29
  6. Step 6: Final answer
    x = 267,946.06

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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.