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Finding the Fourth Proportional to 504,393.56, 696,057.44 and 274,945.82

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Solution

The fourth proportional to 504,393.56, 696,057.44 and 274,945.82 is: 379,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,393.56 : 696,057.44 = 274,945.82 : x
  2. Step 2: Convert to fraction form
    504,393.56/696,057.44 = 274,945.82/x
  3. Step 3: Cross multiply
    504,393.56x = 696,057.44 × 274,945.82
  4. Step 4: Simplify right side
    504,393.56x = 191,378,080,127.61
  5. Step 5: Solve for x
    x = 191,378,080,127.61/504,393.56
  6. Step 6: Final answer
    x = 379,422.14

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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.