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Finding the Fourth Proportional to 361,763.48, 499,234.95 and 200,633.42

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Solution

The fourth proportional to 361,763.48, 499,234.95 and 200,633.42 is: 276,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,763.48 : 499,234.95 = 200,633.42 : x
  2. Step 2: Convert to fraction form
    361,763.48/499,234.95 = 200,633.42/x
  3. Step 3: Cross multiply
    361,763.48x = 499,234.95 × 200,633.42
  4. Step 4: Simplify right side
    361,763.48x = 100,163,215,402.03
  5. Step 5: Solve for x
    x = 100,163,215,402.03/361,763.48
  6. Step 6: Final answer
    x = 276,874.87

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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.