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Finding the Fourth Proportional to 405,847.08, 559,942.02 and 244,751.40

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Solution

The fourth proportional to 405,847.08, 559,942.02 and 244,751.40 is: 337,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,847.08 : 559,942.02 = 244,751.40 : x
  2. Step 2: Convert to fraction form
    405,847.08/559,942.02 = 244,751.40/x
  3. Step 3: Cross multiply
    405,847.08x = 559,942.02 × 244,751.40
  4. Step 4: Simplify right side
    405,847.08x = 137,046,593,313.83
  5. Step 5: Solve for x
    x = 137,046,593,313.83/405,847.08
  6. Step 6: Final answer
    x = 337,680.37

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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.