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Finding the Fourth Proportional to 256,333.56, 351,171.09 and 246,749.88

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Solution

The fourth proportional to 256,333.56, 351,171.09 and 246,749.88 is: 338,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,333.56 : 351,171.09 = 246,749.88 : x
  2. Step 2: Convert to fraction form
    256,333.56/351,171.09 = 246,749.88/x
  3. Step 3: Cross multiply
    256,333.56x = 351,171.09 × 246,749.88
  4. Step 4: Simplify right side
    256,333.56x = 86,651,424,316.97
  5. Step 5: Solve for x
    x = 86,651,424,316.97/256,333.56
  6. Step 6: Final answer
    x = 338,041.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.