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Finding the Fourth Proportional to 404,535.46, 606,626.70 and 214,950.10

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Solution

The fourth proportional to 404,535.46, 606,626.70 and 214,950.10 is: 322,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,535.46 : 606,626.70 = 214,950.10 : x
  2. Step 2: Convert to fraction form
    404,535.46/606,626.70 = 214,950.10/x
  3. Step 3: Cross multiply
    404,535.46x = 606,626.70 × 214,950.10
  4. Step 4: Simplify right side
    404,535.46x = 130,394,469,827.67
  5. Step 5: Solve for x
    x = 130,394,469,827.67/404,535.46
  6. Step 6: Final answer
    x = 322,331.37

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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.