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Finding the Fourth Proportional to 361,622.70, 499,068.84 and 200,528.28

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Solution

The fourth proportional to 361,622.70, 499,068.84 and 200,528.28 is: 276,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,622.70 : 499,068.84 = 200,528.28 : x
  2. Step 2: Convert to fraction form
    361,622.70/499,068.84 = 200,528.28/x
  3. Step 3: Cross multiply
    361,622.70x = 499,068.84 × 200,528.28
  4. Step 4: Simplify right side
    361,622.70x = 100,077,416,086.80
  5. Step 5: Solve for x
    x = 100,077,416,086.80/361,622.70
  6. Step 6: Final answer
    x = 276,745.39

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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.