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Finding the Fourth Proportional to 544,667, 751,640.46 and 306,203

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Solution

The fourth proportional to 544,667, 751,640.46 and 306,203 is: 422,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,667 : 751,640.46 = 306,203 : x
  2. Step 2: Convert to fraction form
    544,667/751,640.46 = 306,203/x
  3. Step 3: Cross multiply
    544,667x = 751,640.46 × 306,203
  4. Step 4: Simplify right side
    544,667x = 230,154,563,773.38
  5. Step 5: Solve for x
    x = 230,154,563,773.38/544,667
  6. Step 6: Final answer
    x = 422,560.14

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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.