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Finding the Fourth Proportional to 337,403.10, 505,958.85 and 168,858.30

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Solution

The fourth proportional to 337,403.10, 505,958.85 and 168,858.30 is: 253,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,403.10 : 505,958.85 = 168,858.30 : x
  2. Step 2: Convert to fraction form
    337,403.10/505,958.85 = 168,858.30/x
  3. Step 3: Cross multiply
    337,403.10x = 505,958.85 × 168,858.30
  4. Step 4: Simplify right side
    337,403.10x = 85,435,351,280.96
  5. Step 5: Solve for x
    x = 85,435,351,280.96/337,403.10
  6. Step 6: Final answer
    x = 253,214.48

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1.5x scale

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.