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Finding the Fourth Proportional to 344,796.96, 517,190.26 and 155,123.39

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Solution

The fourth proportional to 344,796.96, 517,190.26 and 155,123.39 is: 232,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,796.96 : 517,190.26 = 155,123.39 : x
  2. Step 2: Convert to fraction form
    344,796.96/517,190.26 = 155,123.39/x
  3. Step 3: Cross multiply
    344,796.96x = 517,190.26 × 155,123.39
  4. Step 4: Simplify right side
    344,796.96x = 80,228,304,256.73
  5. Step 5: Solve for x
    x = 80,228,304,256.73/344,796.96
  6. Step 6: Final answer
    x = 232,682.75

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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.