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Finding the Fourth Proportional to 605,768.76, 908,653.14 and 206,203.86

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Solution

The fourth proportional to 605,768.76, 908,653.14 and 206,203.86 is: 309,305.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,768.76 : 908,653.14 = 206,203.86 : x
  2. Step 2: Convert to fraction form
    605,768.76/908,653.14 = 206,203.86/x
  3. Step 3: Cross multiply
    605,768.76x = 908,653.14 × 206,203.86
  4. Step 4: Simplify right side
    605,768.76x = 187,367,784,869.12
  5. Step 5: Solve for x
    x = 187,367,784,869.12/605,768.76
  6. Step 6: Final answer
    x = 309,305.79

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Similar ratio
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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.