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Finding the Fourth Proportional to 491,617.62, 737,603.82 and 171,816.26

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Solution

The fourth proportional to 491,617.62, 737,603.82 and 171,816.26 is: 257,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,617.62 : 737,603.82 = 171,816.26 : x
  2. Step 2: Convert to fraction form
    491,617.62/737,603.82 = 171,816.26/x
  3. Step 3: Cross multiply
    491,617.62x = 737,603.82 × 171,816.26
  4. Step 4: Simplify right side
    491,617.62x = 126,732,326,026.09
  5. Step 5: Solve for x
    x = 126,732,326,026.09/491,617.62
  6. Step 6: Final answer
    x = 257,786.38

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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.