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Finding the Fourth Proportional to 437,435.87, 603,661.49 and 236,231.87

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Solution

The fourth proportional to 437,435.87, 603,661.49 and 236,231.87 is: 325,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,435.87 : 603,661.49 = 236,231.87 : x
  2. Step 2: Convert to fraction form
    437,435.87/603,661.49 = 236,231.87/x
  3. Step 3: Cross multiply
    437,435.87x = 603,661.49 × 236,231.87
  4. Step 4: Simplify right side
    437,435.87x = 142,604,079,316.09
  5. Step 5: Solve for x
    x = 142,604,079,316.09/437,435.87
  6. Step 6: Final answer
    x = 325,999.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.