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Finding the Fourth Proportional to 496,672.56, 745,119.89 and 181,129.46

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Solution

The fourth proportional to 496,672.56, 745,119.89 and 181,129.46 is: 271,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,672.56 : 745,119.89 = 181,129.46 : x
  2. Step 2: Convert to fraction form
    496,672.56/745,119.89 = 181,129.46/x
  3. Step 3: Cross multiply
    496,672.56x = 745,119.89 × 181,129.46
  4. Step 4: Simplify right side
    496,672.56x = 134,963,165,173.76
  5. Step 5: Solve for x
    x = 134,963,165,173.76/496,672.56
  6. Step 6: Final answer
    x = 271,734.69

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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.