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Finding the Fourth Proportional to 361,883.42, 499,397.28 and 200,736.80

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Solution

The fourth proportional to 361,883.42, 499,397.28 and 200,736.80 is: 277,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,883.42 : 499,397.28 = 200,736.80 : x
  2. Step 2: Convert to fraction form
    361,883.42/499,397.28 = 200,736.80/x
  3. Step 3: Cross multiply
    361,883.42x = 499,397.28 × 200,736.80
  4. Step 4: Simplify right side
    361,883.42x = 100,247,411,915.90
  5. Step 5: Solve for x
    x = 100,247,411,915.90/361,883.42
  6. Step 6: Final answer
    x = 277,015.76

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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.