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Finding the Fourth Proportional to 565,826.79, 780,850.44 and 324,130.44

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Solution

The fourth proportional to 565,826.79, 780,850.44 and 324,130.44 is: 447,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,826.79 : 780,850.44 = 324,130.44 : x
  2. Step 2: Convert to fraction form
    565,826.79/780,850.44 = 324,130.44/x
  3. Step 3: Cross multiply
    565,826.79x = 780,850.44 × 324,130.44
  4. Step 4: Simplify right side
    565,826.79x = 253,097,396,691.39
  5. Step 5: Solve for x
    x = 253,097,396,691.39/565,826.79
  6. Step 6: Final answer
    x = 447,305.43

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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.