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Finding the Fourth Proportional to 361,439.63, 498,797.63 and 200,279.60

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Solution

The fourth proportional to 361,439.63, 498,797.63 and 200,279.60 is: 276,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,439.63 : 498,797.63 = 200,279.60 : x
  2. Step 2: Convert to fraction form
    361,439.63/498,797.63 = 200,279.60/x
  3. Step 3: Cross multiply
    361,439.63x = 498,797.63 × 200,279.60
  4. Step 4: Simplify right side
    361,439.63x = 99,898,986,321.96
  5. Step 5: Solve for x
    x = 99,898,986,321.96/361,439.63
  6. Step 6: Final answer
    x = 276,391.90

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1.5x scale

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.