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Finding the Fourth Proportional to 503,174, 694,380.12 and 276,814.64

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Solution

The fourth proportional to 503,174, 694,380.12 and 276,814.64 is: 382,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,174 : 694,380.12 = 276,814.64 : x
  2. Step 2: Convert to fraction form
    503,174/694,380.12 = 276,814.64/x
  3. Step 3: Cross multiply
    503,174x = 694,380.12 × 276,814.64
  4. Step 4: Simplify right side
    503,174x = 192,214,582,940.96
  5. Step 5: Solve for x
    x = 192,214,582,940.96/503,174
  6. Step 6: Final answer
    x = 382,004.20

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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.