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Finding the Fourth Proportional to 493,173.11, 739,801.56 and 173,297.31

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Solution

The fourth proportional to 493,173.11, 739,801.56 and 173,297.31 is: 259,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,173.11 : 739,801.56 = 173,297.31 : x
  2. Step 2: Convert to fraction form
    493,173.11/739,801.56 = 173,297.31/x
  3. Step 3: Cross multiply
    493,173.11x = 739,801.56 × 173,297.31
  4. Step 4: Simplify right side
    493,173.11x = 128,205,620,425.50
  5. Step 5: Solve for x
    x = 128,205,620,425.50/493,173.11
  6. Step 6: Final answer
    x = 259,960.69

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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.