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Finding the Fourth Proportional to 331,246.40, 496,869.60 and 224,958.20

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Solution

The fourth proportional to 331,246.40, 496,869.60 and 224,958.20 is: 337,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,246.40 : 496,869.60 = 224,958.20 : x
  2. Step 2: Convert to fraction form
    331,246.40/496,869.60 = 224,958.20/x
  3. Step 3: Cross multiply
    331,246.40x = 496,869.60 × 224,958.20
  4. Step 4: Simplify right side
    331,246.40x = 111,774,890,850.72
  5. Step 5: Solve for x
    x = 111,774,890,850.72/331,246.40
  6. Step 6: Final answer
    x = 337,437.30

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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.