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Finding the Fourth Proportional to 475,704.67, 713,519.77 and 134,134.30

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Solution

The fourth proportional to 475,704.67, 713,519.77 and 134,134.30 is: 201,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,704.67 : 713,519.77 = 134,134.30 : x
  2. Step 2: Convert to fraction form
    475,704.67/713,519.77 = 134,134.30/x
  3. Step 3: Cross multiply
    475,704.67x = 713,519.77 × 134,134.30
  4. Step 4: Simplify right side
    475,704.67x = 95,707,470,646.84
  5. Step 5: Solve for x
    x = 95,707,470,646.84/475,704.67
  6. Step 6: Final answer
    x = 201,190.94

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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.