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Finding the Fourth Proportional to 603,910.70, 905,290.05 and 224,729.90

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Solution

The fourth proportional to 603,910.70, 905,290.05 and 224,729.90 is: 336,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,910.70 : 905,290.05 = 224,729.90 : x
  2. Step 2: Convert to fraction form
    603,910.70/905,290.05 = 224,729.90/x
  3. Step 3: Cross multiply
    603,910.70x = 905,290.05 × 224,729.90
  4. Step 4: Simplify right side
    603,910.70x = 203,445,742,407.50
  5. Step 5: Solve for x
    x = 203,445,742,407.50/603,910.70
  6. Step 6: Final answer
    x = 336,880.51

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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.