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Finding the Fourth Proportional to 603,540.08, 905,375.70 and 224,416.34

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Solution

The fourth proportional to 603,540.08, 905,375.70 and 224,416.34 is: 336,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,540.08 : 905,375.70 = 224,416.34 : x
  2. Step 2: Convert to fraction form
    603,540.08/905,375.70 = 224,416.34/x
  3. Step 3: Cross multiply
    603,540.08x = 905,375.70 × 224,416.34
  4. Step 4: Simplify right side
    603,540.08x = 203,181,096,392.06
  5. Step 5: Solve for x
    x = 203,181,096,392.06/603,540.08
  6. Step 6: Final answer
    x = 336,648.89

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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.