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Finding the Fourth Proportional to 322,331.50, 483,497.25 and 111,969.64

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Solution

The fourth proportional to 322,331.50, 483,497.25 and 111,969.64 is: 167,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,331.50 : 483,497.25 = 111,969.64 : x
  2. Step 2: Convert to fraction form
    322,331.50/483,497.25 = 111,969.64/x
  3. Step 3: Cross multiply
    322,331.50x = 483,497.25 × 111,969.64
  4. Step 4: Simplify right side
    322,331.50x = 54,137,013,023.49
  5. Step 5: Solve for x
    x = 54,137,013,023.49/322,331.50
  6. Step 6: Final answer
    x = 167,954.46

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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.