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Finding the Fourth Proportional to 496,872.45, 745,320.87 and 181,329.30

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Solution

The fourth proportional to 496,872.45, 745,320.87 and 181,329.30 is: 271,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,872.45 : 745,320.87 = 181,329.30 : x
  2. Step 2: Convert to fraction form
    496,872.45/745,320.87 = 181,329.30/x
  3. Step 3: Cross multiply
    496,872.45x = 745,320.87 × 181,329.30
  4. Step 4: Simplify right side
    496,872.45x = 135,148,511,632.49
  5. Step 5: Solve for x
    x = 135,148,511,632.49/496,872.45
  6. Step 6: Final answer
    x = 271,998.40

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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.