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Finding the Fourth Proportional to 337,234.60, 505,706.10 and 168,689.80

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Solution

The fourth proportional to 337,234.60, 505,706.10 and 168,689.80 is: 252,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,234.60 : 505,706.10 = 168,689.80 : x
  2. Step 2: Convert to fraction form
    337,234.60/505,706.10 = 168,689.80/x
  3. Step 3: Cross multiply
    337,234.60x = 505,706.10 × 168,689.80
  4. Step 4: Simplify right side
    337,234.60x = 85,307,460,867.78
  5. Step 5: Solve for x
    x = 85,307,460,867.78/337,234.60
  6. Step 6: Final answer
    x = 252,961.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.