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Finding the Fourth Proportional to 291,601.86, 436,414.89 and 179,353.29

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Solution

The fourth proportional to 291,601.86, 436,414.89 and 179,353.29 is: 268,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,601.86 : 436,414.89 = 179,353.29 : x
  2. Step 2: Convert to fraction form
    291,601.86/436,414.89 = 179,353.29/x
  3. Step 3: Cross multiply
    291,601.86x = 436,414.89 × 179,353.29
  4. Step 4: Simplify right side
    291,601.86x = 78,272,446,326.49
  5. Step 5: Solve for x
    x = 78,272,446,326.49/291,601.86
  6. Step 6: Final answer
    x = 268,422.32

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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.