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Finding the Fourth Proportional to 503,057.56, 694,204.95 and 276,703.06

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Solution

The fourth proportional to 503,057.56, 694,204.95 and 276,703.06 is: 381,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,057.56 : 694,204.95 = 276,703.06 : x
  2. Step 2: Convert to fraction form
    503,057.56/694,204.95 = 276,703.06/x
  3. Step 3: Cross multiply
    503,057.56x = 694,204.95 × 276,703.06
  4. Step 4: Simplify right side
    503,057.56x = 192,088,633,932.15
  5. Step 5: Solve for x
    x = 192,088,633,932.15/503,057.56
  6. Step 6: Final answer
    x = 381,842.26

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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.