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Finding the Fourth Proportional to 343,222.43, 514,980.66 and 165,861.59

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Solution

The fourth proportional to 343,222.43, 514,980.66 and 165,861.59 is: 248,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,222.43 : 514,980.66 = 165,861.59 : x
  2. Step 2: Convert to fraction form
    343,222.43/514,980.66 = 165,861.59/x
  3. Step 3: Cross multiply
    343,222.43x = 514,980.66 × 165,861.59
  4. Step 4: Simplify right side
    343,222.43x = 85,415,511,086.85
  5. Step 5: Solve for x
    x = 85,415,511,086.85/343,222.43
  6. Step 6: Final answer
    x = 248,863.43

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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.