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Finding the Fourth Proportional to 605,605.29, 908,540.94 and 179,107.86

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Solution

The fourth proportional to 605,605.29, 908,540.94 and 179,107.86 is: 268,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,605.29 : 908,540.94 = 179,107.86 : x
  2. Step 2: Convert to fraction form
    605,605.29/908,540.94 = 179,107.86/x
  3. Step 3: Cross multiply
    605,605.29x = 908,540.94 × 179,107.86
  4. Step 4: Simplify right side
    605,605.29x = 162,726,823,485.79
  5. Step 5: Solve for x
    x = 162,726,823,485.79/605,605.29
  6. Step 6: Final answer
    x = 268,701.13

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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.