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Finding the Fourth Proportional to 322,416.20, 483,624.30 and 203,702.60

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Solution

The fourth proportional to 322,416.20, 483,624.30 and 203,702.60 is: 305,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,416.20 : 483,624.30 = 203,702.60 : x
  2. Step 2: Convert to fraction form
    322,416.20/483,624.30 = 203,702.60/x
  3. Step 3: Cross multiply
    322,416.20x = 483,624.30 × 203,702.60
  4. Step 4: Simplify right side
    322,416.20x = 98,515,527,333.18
  5. Step 5: Solve for x
    x = 98,515,527,333.18/322,416.20
  6. Step 6: Final answer
    x = 305,553.90

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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.