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Finding the Fourth Proportional to 228,608.60, 342,147.85 and 225,584.19

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Solution

The fourth proportional to 228,608.60, 342,147.85 and 225,584.19 is: 337,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,608.60 : 342,147.85 = 225,584.19 : x
  2. Step 2: Convert to fraction form
    228,608.60/342,147.85 = 225,584.19/x
  3. Step 3: Cross multiply
    228,608.60x = 342,147.85 × 225,584.19
  4. Step 4: Simplify right side
    228,608.60x = 77,183,145,038.53
  5. Step 5: Solve for x
    x = 77,183,145,038.53/228,608.60
  6. Step 6: Final answer
    x = 337,621.36

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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.