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Finding the Fourth Proportional to 404,000.80, 605,617.20 and 151,213.60

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Solution

The fourth proportional to 404,000.80, 605,617.20 and 151,213.60 is: 226,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,000.80 : 605,617.20 = 151,213.60 : x
  2. Step 2: Convert to fraction form
    404,000.80/605,617.20 = 151,213.60/x
  3. Step 3: Cross multiply
    404,000.80x = 605,617.20 × 151,213.60
  4. Step 4: Simplify right side
    404,000.80x = 91,577,557,033.92
  5. Step 5: Solve for x
    x = 91,577,557,033.92/404,000.80
  6. Step 6: Final answer
    x = 226,676.67

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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.