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Finding the Fourth Proportional to 626,956.96, 940,571.52 and 206,217.04

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Solution

The fourth proportional to 626,956.96, 940,571.52 and 206,217.04 is: 309,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,956.96 : 940,571.52 = 206,217.04 : x
  2. Step 2: Convert to fraction form
    626,956.96/940,571.52 = 206,217.04/x
  3. Step 3: Cross multiply
    626,956.96x = 940,571.52 × 206,217.04
  4. Step 4: Simplify right side
    626,956.96x = 193,961,874,762.70
  5. Step 5: Solve for x
    x = 193,961,874,762.70/626,956.96
  6. Step 6: Final answer
    x = 309,370.32

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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.