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Finding the Fourth Proportional to 437,900.30, 656,850.45 and 201,704.30

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Solution

The fourth proportional to 437,900.30, 656,850.45 and 201,704.30 is: 302,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,900.30 : 656,850.45 = 201,704.30 : x
  2. Step 2: Convert to fraction form
    437,900.30/656,850.45 = 201,704.30/x
  3. Step 3: Cross multiply
    437,900.30x = 656,850.45 × 201,704.30
  4. Step 4: Simplify right side
    437,900.30x = 132,489,560,221.94
  5. Step 5: Solve for x
    x = 132,489,560,221.94/437,900.30
  6. Step 6: Final answer
    x = 302,556.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.