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Finding the Fourth Proportional to 488,773.42, 733,155.57 and 133,786.87

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Solution

The fourth proportional to 488,773.42, 733,155.57 and 133,786.87 is: 200,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,773.42 : 733,155.57 = 133,786.87 : x
  2. Step 2: Convert to fraction form
    488,773.42/733,155.57 = 133,786.87/x
  3. Step 3: Cross multiply
    488,773.42x = 733,155.57 × 133,786.87
  4. Step 4: Simplify right side
    488,773.42x = 98,086,588,933.37
  5. Step 5: Solve for x
    x = 98,086,588,933.37/488,773.42
  6. Step 6: Final answer
    x = 200,679.06

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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.