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Finding the Fourth Proportional to 504,322.98, 695,959.59 and 274,879.56

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Solution

The fourth proportional to 504,322.98, 695,959.59 and 274,879.56 is: 379,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,322.98 : 695,959.59 = 274,879.56 : x
  2. Step 2: Convert to fraction form
    504,322.98/695,959.59 = 274,879.56/x
  3. Step 3: Cross multiply
    504,322.98x = 695,959.59 × 274,879.56
  4. Step 4: Simplify right side
    504,322.98x = 191,305,065,876.98
  5. Step 5: Solve for x
    x = 191,305,065,876.98/504,322.98
  6. Step 6: Final answer
    x = 379,330.46

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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.