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Finding the Fourth Proportional to 291,246.20, 436,523.70 and 150,932.60

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Solution

The fourth proportional to 291,246.20, 436,523.70 and 150,932.60 is: 226,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,246.20 : 436,523.70 = 150,932.60 : x
  2. Step 2: Convert to fraction form
    291,246.20/436,523.70 = 150,932.60/x
  3. Step 3: Cross multiply
    291,246.20x = 436,523.70 × 150,932.60
  4. Step 4: Simplify right side
    291,246.20x = 65,885,657,002.62
  5. Step 5: Solve for x
    x = 65,885,657,002.62/291,246.20
  6. Step 6: Final answer
    x = 226,219.80

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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.