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Finding the Fourth Proportional to 337,152.60, 505,469.70 and 189,408.60

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Solution

The fourth proportional to 337,152.60, 505,469.70 and 189,408.60 is: 283,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,152.60 : 505,469.70 = 189,408.60 : x
  2. Step 2: Convert to fraction form
    337,152.60/505,469.70 = 189,408.60/x
  3. Step 3: Cross multiply
    337,152.60x = 505,469.70 × 189,408.60
  4. Step 4: Simplify right side
    337,152.60x = 95,740,308,219.42
  5. Step 5: Solve for x
    x = 95,740,308,219.42/337,152.60
  6. Step 6: Final answer
    x = 283,967.28

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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.