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Finding the Fourth Proportional to 437,588.82, 656,493.98 and 122,045.73

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Solution

The fourth proportional to 437,588.82, 656,493.98 and 122,045.73 is: 183,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,588.82 : 656,493.98 = 122,045.73 : x
  2. Step 2: Convert to fraction form
    437,588.82/656,493.98 = 122,045.73/x
  3. Step 3: Cross multiply
    437,588.82x = 656,493.98 × 122,045.73
  4. Step 4: Simplify right side
    437,588.82x = 80,122,286,419.48
  5. Step 5: Solve for x
    x = 80,122,286,419.48/437,588.82
  6. Step 6: Final answer
    x = 183,099.48

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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.