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Finding the Fourth Proportional to 519,653.76, 779,546.25 and 164,540.85

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Solution

The fourth proportional to 519,653.76, 779,546.25 and 164,540.85 is: 246,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,653.76 : 779,546.25 = 164,540.85 : x
  2. Step 2: Convert to fraction form
    519,653.76/779,546.25 = 164,540.85/x
  3. Step 3: Cross multiply
    519,653.76x = 779,546.25 × 164,540.85
  4. Step 4: Simplify right side
    519,653.76x = 128,267,202,589.31
  5. Step 5: Solve for x
    x = 128,267,202,589.31/519,653.76
  6. Step 6: Final answer
    x = 246,832.05

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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.