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Finding the Fourth Proportional to 544,245.23, 815,592.56 and 400,963.70

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Solution

The fourth proportional to 544,245.23, 815,592.56 and 400,963.70 is: 600,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,245.23 : 815,592.56 = 400,963.70 : x
  2. Step 2: Convert to fraction form
    544,245.23/815,592.56 = 400,963.70/x
  3. Step 3: Cross multiply
    544,245.23x = 815,592.56 × 400,963.70
  4. Step 4: Simplify right side
    544,245.23x = 327,023,010,584.24
  5. Step 5: Solve for x
    x = 327,023,010,584.24/544,245.23
  6. Step 6: Final answer
    x = 600,874.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.