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Finding the Fourth Proportional to 307,267.80, 460,901.70 and 200,979.60

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Solution

The fourth proportional to 307,267.80, 460,901.70 and 200,979.60 is: 301,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,267.80 : 460,901.70 = 200,979.60 : x
  2. Step 2: Convert to fraction form
    307,267.80/460,901.70 = 200,979.60/x
  3. Step 3: Cross multiply
    307,267.80x = 460,901.70 × 200,979.60
  4. Step 4: Simplify right side
    307,267.80x = 92,631,839,305.32
  5. Step 5: Solve for x
    x = 92,631,839,305.32/307,267.80
  6. Step 6: Final answer
    x = 301,469.40

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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.