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Finding the Fourth Proportional to 544,898.67, 751,963.86 and 303,191.43

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Solution

The fourth proportional to 544,898.67, 751,963.86 and 303,191.43 is: 418,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,898.67 : 751,963.86 = 303,191.43 : x
  2. Step 2: Convert to fraction form
    544,898.67/751,963.86 = 303,191.43/x
  3. Step 3: Cross multiply
    544,898.67x = 751,963.86 × 303,191.43
  4. Step 4: Simplify right side
    544,898.67x = 227,988,998,021.72
  5. Step 5: Solve for x
    x = 227,988,998,021.72/544,898.67
  6. Step 6: Final answer
    x = 418,406.23

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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.