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Finding the Fourth Proportional to 494,487.12, 682,277.76 and 333,640.56

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Solution

The fourth proportional to 494,487.12, 682,277.76 and 333,640.56 is: 460,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,487.12 : 682,277.76 = 333,640.56 : x
  2. Step 2: Convert to fraction form
    494,487.12/682,277.76 = 333,640.56/x
  3. Step 3: Cross multiply
    494,487.12x = 682,277.76 × 333,640.56
  4. Step 4: Simplify right side
    494,487.12x = 227,635,533,921.95
  5. Step 5: Solve for x
    x = 227,635,533,921.95/494,487.12
  6. Step 6: Final answer
    x = 460,346.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.