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Finding the Fourth Proportional to 283,450.50, 391,133.30 and 174,537.38

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Solution

The fourth proportional to 283,450.50, 391,133.30 and 174,537.38 is: 240,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,450.50 : 391,133.30 = 174,537.38 : x
  2. Step 2: Convert to fraction form
    283,450.50/391,133.30 = 174,537.38/x
  3. Step 3: Cross multiply
    283,450.50x = 391,133.30 × 174,537.38
  4. Step 4: Simplify right side
    283,450.50x = 68,267,378,584.40
  5. Step 5: Solve for x
    x = 68,267,378,584.40/283,450.50
  6. Step 6: Final answer
    x = 240,844.09

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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.