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Finding the Fourth Proportional to 422,605.83, 633,808.29 and 169,887.04

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Solution

The fourth proportional to 422,605.83, 633,808.29 and 169,887.04 is: 254,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,605.83 : 633,808.29 = 169,887.04 : x
  2. Step 2: Convert to fraction form
    422,605.83/633,808.29 = 169,887.04/x
  3. Step 3: Cross multiply
    422,605.83x = 633,808.29 × 169,887.04
  4. Step 4: Simplify right side
    422,605.83x = 107,675,814,315.56
  5. Step 5: Solve for x
    x = 107,675,814,315.56/422,605.83
  6. Step 6: Final answer
    x = 254,790.18

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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.