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Finding the Fourth Proportional to 322,961.96, 484,475.96 and 123,450.28

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Solution

The fourth proportional to 322,961.96, 484,475.96 and 123,450.28 is: 185,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,961.96 : 484,475.96 = 123,450.28 : x
  2. Step 2: Convert to fraction form
    322,961.96/484,475.96 = 123,450.28/x
  3. Step 3: Cross multiply
    322,961.96x = 484,475.96 × 123,450.28
  4. Step 4: Simplify right side
    322,961.96x = 59,808,692,915.27
  5. Step 5: Solve for x
    x = 59,808,692,915.27/322,961.96
  6. Step 6: Final answer
    x = 185,188.04

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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.