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Finding the Fourth Proportional to 456,085.40, 682,961.70 and 337,112.60

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Solution

The fourth proportional to 456,085.40, 682,961.70 and 337,112.60 is: 504,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,085.40 : 682,961.70 = 337,112.60 : x
  2. Step 2: Convert to fraction form
    456,085.40/682,961.70 = 337,112.60/x
  3. Step 3: Cross multiply
    456,085.40x = 682,961.70 × 337,112.60
  4. Step 4: Simplify right side
    456,085.40x = 230,234,994,387.42
  5. Step 5: Solve for x
    x = 230,234,994,387.42/456,085.40
  6. Step 6: Final answer
    x = 504,806.76

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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.