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Finding the Fourth Proportional to 267,313.44, 400,921.72 and 107,382.92

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Solution

The fourth proportional to 267,313.44, 400,921.72 and 107,382.92 is: 161,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,313.44 : 400,921.72 = 107,382.92 : x
  2. Step 2: Convert to fraction form
    267,313.44/400,921.72 = 107,382.92/x
  3. Step 3: Cross multiply
    267,313.44x = 400,921.72 × 107,382.92
  4. Step 4: Simplify right side
    267,313.44x = 43,052,144,985.02
  5. Step 5: Solve for x
    x = 43,052,144,985.02/267,313.44
  6. Step 6: Final answer
    x = 161,054.92

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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.