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Finding the Fourth Proportional to 361,758.96, 499,243.50 and 200,603.18

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Solution

The fourth proportional to 361,758.96, 499,243.50 and 200,603.18 is: 276,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,758.96 : 499,243.50 = 200,603.18 : x
  2. Step 2: Convert to fraction form
    361,758.96/499,243.50 = 200,603.18/x
  3. Step 3: Cross multiply
    361,758.96x = 499,243.50 × 200,603.18
  4. Step 4: Simplify right side
    361,758.96x = 100,149,834,942.44
  5. Step 5: Solve for x
    x = 100,149,834,942.44/361,758.96
  6. Step 6: Final answer
    x = 276,841.34

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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.