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Finding the Fourth Proportional to 531,297.39, 796,511.79 and 247,165.05

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Solution

The fourth proportional to 531,297.39, 796,511.79 and 247,165.05 is: 370,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,297.39 : 796,511.79 = 247,165.05 : x
  2. Step 2: Convert to fraction form
    531,297.39/796,511.79 = 247,165.05/x
  3. Step 3: Cross multiply
    531,297.39x = 796,511.79 × 247,165.05
  4. Step 4: Simplify right side
    531,297.39x = 196,869,876,400.94
  5. Step 5: Solve for x
    x = 196,869,876,400.94/531,297.39
  6. Step 6: Final answer
    x = 370,545.54

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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.