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Finding the Fourth Proportional to 496,672.31, 745,119.52 and 181,129.21

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Solution

The fourth proportional to 496,672.31, 745,119.52 and 181,129.21 is: 271,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,672.31 : 745,119.52 = 181,129.21 : x
  2. Step 2: Convert to fraction form
    496,672.31/745,119.52 = 181,129.21/x
  3. Step 3: Cross multiply
    496,672.31x = 745,119.52 × 181,129.21
  4. Step 4: Simplify right side
    496,672.31x = 134,962,910,152.14
  5. Step 5: Solve for x
    x = 134,962,910,152.14/496,672.31
  6. Step 6: Final answer
    x = 271,734.32

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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.