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Finding the Fourth Proportional to 337,115.10, 505,672.65 and 311,454.30

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Solution

The fourth proportional to 337,115.10, 505,672.65 and 311,454.30 is: 467,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,115.10 : 505,672.65 = 311,454.30 : x
  2. Step 2: Convert to fraction form
    337,115.10/505,672.65 = 311,454.30/x
  3. Step 3: Cross multiply
    337,115.10x = 505,672.65 × 311,454.30
  4. Step 4: Simplify right side
    337,115.10x = 157,493,921,234.90
  5. Step 5: Solve for x
    x = 157,493,921,234.90/337,115.10
  6. Step 6: Final answer
    x = 467,181.45

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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.