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Finding the Fourth Proportional to 332,745.99, 499,451.90 and 155,377.86

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Solution

The fourth proportional to 332,745.99, 499,451.90 and 155,377.86 is: 233,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,745.99 : 499,451.90 = 155,377.86 : x
  2. Step 2: Convert to fraction form
    332,745.99/499,451.90 = 155,377.86/x
  3. Step 3: Cross multiply
    332,745.99x = 499,451.90 × 155,377.86
  4. Step 4: Simplify right side
    332,745.99x = 77,603,766,618.04
  5. Step 5: Solve for x
    x = 77,603,766,618.04/332,745.99
  6. Step 6: Final answer
    x = 233,222.24

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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.