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Finding the Fourth Proportional to 544,396.50, 751,267.17 and 305,932.50

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Solution

The fourth proportional to 544,396.50, 751,267.17 and 305,932.50 is: 422,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,396.50 : 751,267.17 = 305,932.50 : x
  2. Step 2: Convert to fraction form
    544,396.50/751,267.17 = 305,932.50/x
  3. Step 3: Cross multiply
    544,396.50x = 751,267.17 × 305,932.50
  4. Step 4: Simplify right side
    544,396.50x = 229,837,043,486.03
  5. Step 5: Solve for x
    x = 229,837,043,486.03/544,396.50
  6. Step 6: Final answer
    x = 422,186.85

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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.