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Finding the Fourth Proportional to 263,017.40, 362,971.14 and 161,040.92

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Solution

The fourth proportional to 263,017.40, 362,971.14 and 161,040.92 is: 222,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,017.40 : 362,971.14 = 161,040.92 : x
  2. Step 2: Convert to fraction form
    263,017.40/362,971.14 = 161,040.92/x
  3. Step 3: Cross multiply
    263,017.40x = 362,971.14 × 161,040.92
  4. Step 4: Simplify right side
    263,017.40x = 58,453,206,319.05
  5. Step 5: Solve for x
    x = 58,453,206,319.05/263,017.40
  6. Step 6: Final answer
    x = 222,240.83

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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.