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Finding the Fourth Proportional to 298,919.25, 447,832.08 and 235,015.11

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Solution

The fourth proportional to 298,919.25, 447,832.08 and 235,015.11 is: 352,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,919.25 : 447,832.08 = 235,015.11 : x
  2. Step 2: Convert to fraction form
    298,919.25/447,832.08 = 235,015.11/x
  3. Step 3: Cross multiply
    298,919.25x = 447,832.08 × 235,015.11
  4. Step 4: Simplify right side
    298,919.25x = 105,247,305,542.73
  5. Step 5: Solve for x
    x = 105,247,305,542.73/298,919.25
  6. Step 6: Final answer
    x = 352,092.77

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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.