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Finding the Fourth Proportional to 365,171.20, 547,406.88 and 154,519.36

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Solution

The fourth proportional to 365,171.20, 547,406.88 and 154,519.36 is: 231,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,171.20 : 547,406.88 = 154,519.36 : x
  2. Step 2: Convert to fraction form
    365,171.20/547,406.88 = 154,519.36/x
  3. Step 3: Cross multiply
    365,171.20x = 547,406.88 × 154,519.36
  4. Step 4: Simplify right side
    365,171.20x = 84,584,960,757.20
  5. Step 5: Solve for x
    x = 84,584,960,757.20/365,171.20
  6. Step 6: Final answer
    x = 231,630.97

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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.