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Finding the Fourth Proportional to 496,679.62, 745,130.50 and 181,136.54

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Solution

The fourth proportional to 496,679.62, 745,130.50 and 181,136.54 is: 271,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,679.62 : 745,130.50 = 181,136.54 : x
  2. Step 2: Convert to fraction form
    496,679.62/745,130.50 = 181,136.54/x
  3. Step 3: Cross multiply
    496,679.62x = 745,130.50 × 181,136.54
  4. Step 4: Simplify right side
    496,679.62x = 134,970,360,618.47
  5. Step 5: Solve for x
    x = 134,970,360,618.47/496,679.62
  6. Step 6: Final answer
    x = 271,745.32

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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.