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Finding the Fourth Proportional to 504,749.88, 696,380.49 and 323,561.79

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Solution

The fourth proportional to 504,749.88, 696,380.49 and 323,561.79 is: 446,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,749.88 : 696,380.49 = 323,561.79 : x
  2. Step 2: Convert to fraction form
    504,749.88/696,380.49 = 323,561.79/x
  3. Step 3: Cross multiply
    504,749.88x = 696,380.49 × 323,561.79
  4. Step 4: Simplify right side
    504,749.88x = 225,322,117,865.48
  5. Step 5: Solve for x
    x = 225,322,117,865.48/504,749.88
  6. Step 6: Final answer
    x = 446,403.51

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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.