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Finding the Fourth Proportional to 336,588.20, 504,631.20 and 203,440.40

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Solution

The fourth proportional to 336,588.20, 504,631.20 and 203,440.40 is: 305,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,588.20 : 504,631.20 = 203,440.40 : x
  2. Step 2: Convert to fraction form
    336,588.20/504,631.20 = 203,440.40/x
  3. Step 3: Cross multiply
    336,588.20x = 504,631.20 × 203,440.40
  4. Step 4: Simplify right side
    336,588.20x = 102,662,373,180.48
  5. Step 5: Solve for x
    x = 102,662,373,180.48/336,588.20
  6. Step 6: Final answer
    x = 305,008.83

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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.