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Finding the Fourth Proportional to 415,977.68, 624,044.32 and 166,679.12

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Solution

The fourth proportional to 415,977.68, 624,044.32 and 166,679.12 is: 250,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,977.68 : 624,044.32 = 166,679.12 : x
  2. Step 2: Convert to fraction form
    415,977.68/624,044.32 = 166,679.12/x
  3. Step 3: Cross multiply
    415,977.68x = 624,044.32 × 166,679.12
  4. Step 4: Simplify right side
    415,977.68x = 104,015,158,098.60
  5. Step 5: Solve for x
    x = 104,015,158,098.60/415,977.68
  6. Step 6: Final answer
    x = 250,049.85

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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.