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Finding the Fourth Proportional to 361,087.64, 498,294.86 and 199,939.22

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Solution

The fourth proportional to 361,087.64, 498,294.86 and 199,939.22 is: 275,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,087.64 : 498,294.86 = 199,939.22 : x
  2. Step 2: Convert to fraction form
    361,087.64/498,294.86 = 199,939.22/x
  3. Step 3: Cross multiply
    361,087.64x = 498,294.86 × 199,939.22
  4. Step 4: Simplify right side
    361,087.64x = 99,628,685,638.41
  5. Step 5: Solve for x
    x = 99,628,685,638.41/361,087.64
  6. Step 6: Final answer
    x = 275,912.76

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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.