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Finding the Fourth Proportional to 271,919.60, 407,879.40 and 244,363.40

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Solution

The fourth proportional to 271,919.60, 407,879.40 and 244,363.40 is: 366,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,919.60 : 407,879.40 = 244,363.40 : x
  2. Step 2: Convert to fraction form
    271,919.60/407,879.40 = 244,363.40/x
  3. Step 3: Cross multiply
    271,919.60x = 407,879.40 × 244,363.40
  4. Step 4: Simplify right side
    271,919.60x = 99,670,796,973.96
  5. Step 5: Solve for x
    x = 99,670,796,973.96/271,919.60
  6. Step 6: Final answer
    x = 366,545.10

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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.