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Finding the Fourth Proportional to 296,958.86, 443,807.13 and 217,164.34

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Solution

The fourth proportional to 296,958.86, 443,807.13 and 217,164.34 is: 324,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,958.86 : 443,807.13 = 217,164.34 : x
  2. Step 2: Convert to fraction form
    296,958.86/443,807.13 = 217,164.34/x
  3. Step 3: Cross multiply
    296,958.86x = 443,807.13 × 217,164.34
  4. Step 4: Simplify right side
    296,958.86x = 96,379,082,010.55
  5. Step 5: Solve for x
    x = 96,379,082,010.55/296,958.86
  6. Step 6: Final answer
    x = 324,553.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.