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Finding the Fourth Proportional to 544,407.25, 751,282.01 and 305,943.25

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Solution

The fourth proportional to 544,407.25, 751,282.01 and 305,943.25 is: 422,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,407.25 : 751,282.01 = 305,943.25 : x
  2. Step 2: Convert to fraction form
    544,407.25/751,282.01 = 305,943.25/x
  3. Step 3: Cross multiply
    544,407.25x = 751,282.01 × 305,943.25
  4. Step 4: Simplify right side
    544,407.25x = 229,849,659,805.93
  5. Step 5: Solve for x
    x = 229,849,659,805.93/544,407.25
  6. Step 6: Final answer
    x = 422,201.69

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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.