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Finding the Fourth Proportional to 361,857.93, 499,321.10 and 200,673.60

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Solution

The fourth proportional to 361,857.93, 499,321.10 and 200,673.60 is: 276,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,857.93 : 499,321.10 = 200,673.60 : x
  2. Step 2: Convert to fraction form
    361,857.93/499,321.10 = 200,673.60/x
  3. Step 3: Cross multiply
    361,857.93x = 499,321.10 × 200,673.60
  4. Step 4: Simplify right side
    361,857.93x = 100,200,561,689.59
  5. Step 5: Solve for x
    x = 100,200,561,689.59/361,857.93
  6. Step 6: Final answer
    x = 276,905.81

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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.