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Finding the Fourth Proportional to 362,297.80, 543,446.52 and 112,979.80

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Solution

The fourth proportional to 362,297.80, 543,446.52 and 112,979.80 is: 169,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,297.80 : 543,446.52 = 112,979.80 : x
  2. Step 2: Convert to fraction form
    362,297.80/543,446.52 = 112,979.80/x
  3. Step 3: Cross multiply
    362,297.80x = 543,446.52 × 112,979.80
  4. Step 4: Simplify right side
    362,297.80x = 61,398,479,140.30
  5. Step 5: Solve for x
    x = 61,398,479,140.30/362,297.80
  6. Step 6: Final answer
    x = 169,469.64

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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.