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Finding the Fourth Proportional to 422,604.83, 633,806.79 and 169,886.04

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Solution

The fourth proportional to 422,604.83, 633,806.79 and 169,886.04 is: 254,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,604.83 : 633,806.79 = 169,886.04 : x
  2. Step 2: Convert to fraction form
    422,604.83/633,806.79 = 169,886.04/x
  3. Step 3: Cross multiply
    422,604.83x = 633,806.79 × 169,886.04
  4. Step 4: Simplify right side
    422,604.83x = 107,674,925,678.21
  5. Step 5: Solve for x
    x = 107,674,925,678.21/422,604.83
  6. Step 6: Final answer
    x = 254,788.68

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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.