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Finding the Fourth Proportional to 291,433.44, 436,843.86 and 133,532.04

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Solution

The fourth proportional to 291,433.44, 436,843.86 and 133,532.04 is: 200,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,433.44 : 436,843.86 = 133,532.04 : x
  2. Step 2: Convert to fraction form
    291,433.44/436,843.86 = 133,532.04/x
  3. Step 3: Cross multiply
    291,433.44x = 436,843.86 × 133,532.04
  4. Step 4: Simplify right side
    291,433.44x = 58,332,651,787.27
  5. Step 5: Solve for x
    x = 58,332,651,787.27/291,433.44
  6. Step 6: Final answer
    x = 200,157.72

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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.