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Finding the Fourth Proportional to 437,560.75, 656,451.83 and 122,017.69

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Solution

The fourth proportional to 437,560.75, 656,451.83 and 122,017.69 is: 183,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,560.75 : 656,451.83 = 122,017.69 : x
  2. Step 2: Convert to fraction form
    437,560.75/656,451.83 = 122,017.69/x
  3. Step 3: Cross multiply
    437,560.75x = 656,451.83 × 122,017.69
  4. Step 4: Simplify right side
    437,560.75x = 80,098,735,892.87
  5. Step 5: Solve for x
    x = 80,098,735,892.87/437,560.75
  6. Step 6: Final answer
    x = 183,057.41

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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.