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Finding the Fourth Proportional to 451,697.40, 677,114.10 and 167,311.80

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Solution

The fourth proportional to 451,697.40, 677,114.10 and 167,311.80 is: 250,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,697.40 : 677,114.10 = 167,311.80 : x
  2. Step 2: Convert to fraction form
    451,697.40/677,114.10 = 167,311.80/x
  3. Step 3: Cross multiply
    451,697.40x = 677,114.10 × 167,311.80
  4. Step 4: Simplify right side
    451,697.40x = 113,289,178,876.38
  5. Step 5: Solve for x
    x = 113,289,178,876.38/451,697.40
  6. Step 6: Final answer
    x = 250,807.68

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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.