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Finding the Fourth Proportional to 361,713.40, 499,189.58 and 200,583.44

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Solution

The fourth proportional to 361,713.40, 499,189.58 and 200,583.44 is: 276,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,713.40 : 499,189.58 = 200,583.44 : x
  2. Step 2: Convert to fraction form
    361,713.40/499,189.58 = 200,583.44/x
  3. Step 3: Cross multiply
    361,713.40x = 499,189.58 × 200,583.44
  4. Step 4: Simplify right side
    361,713.40x = 100,129,163,422.12
  5. Step 5: Solve for x
    x = 100,129,163,422.12/361,713.40
  6. Step 6: Final answer
    x = 276,819.06

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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.