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Finding the Fourth Proportional to 367,635.90, 551,453.85 and 181,011.90

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Solution

The fourth proportional to 367,635.90, 551,453.85 and 181,011.90 is: 271,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,635.90 : 551,453.85 = 181,011.90 : x
  2. Step 2: Convert to fraction form
    367,635.90/551,453.85 = 181,011.90/x
  3. Step 3: Cross multiply
    367,635.90x = 551,453.85 × 181,011.90
  4. Step 4: Simplify right side
    367,635.90x = 99,819,709,150.82
  5. Step 5: Solve for x
    x = 99,819,709,150.82/367,635.90
  6. Step 6: Final answer
    x = 271,517.85

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Similar ratio
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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.