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Finding the Fourth Proportional to 496,046.28, 743,478.92 and 345,471.34

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Solution

The fourth proportional to 496,046.28, 743,478.92 and 345,471.34 is: 517,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,046.28 : 743,478.92 = 345,471.34 : x
  2. Step 2: Convert to fraction form
    496,046.28/743,478.92 = 345,471.34/x
  3. Step 3: Cross multiply
    496,046.28x = 743,478.92 × 345,471.34
  4. Step 4: Simplify right side
    496,046.28x = 256,850,658,754.15
  5. Step 5: Solve for x
    x = 256,850,658,754.15/496,046.28
  6. Step 6: Final answer
    x = 517,795.76

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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.