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Finding the Fourth Proportional to 291,493.95, 436,253.32 and 179,245.27

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Solution

The fourth proportional to 291,493.95, 436,253.32 and 179,245.27 is: 268,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,493.95 : 436,253.32 = 179,245.27 : x
  2. Step 2: Convert to fraction form
    291,493.95/436,253.32 = 179,245.27/x
  3. Step 3: Cross multiply
    291,493.95x = 436,253.32 × 179,245.27
  4. Step 4: Simplify right side
    291,493.95x = 78,196,341,054.30
  5. Step 5: Solve for x
    x = 78,196,341,054.30/291,493.95
  6. Step 6: Final answer
    x = 268,260.60

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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.