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Finding the Fourth Proportional to 483,091.40, 724,809.90 and 202,694.60

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Solution

The fourth proportional to 483,091.40, 724,809.90 and 202,694.60 is: 304,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,091.40 : 724,809.90 = 202,694.60 : x
  2. Step 2: Convert to fraction form
    483,091.40/724,809.90 = 202,694.60/x
  3. Step 3: Cross multiply
    483,091.40x = 724,809.90 × 202,694.60
  4. Step 4: Simplify right side
    483,091.40x = 146,915,052,756.54
  5. Step 5: Solve for x
    x = 146,915,052,756.54/483,091.40
  6. Step 6: Final answer
    x = 304,114.40

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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.