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Finding the Fourth Proportional to 322,673.16, 445,219.38 and 195,354.12

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Solution

The fourth proportional to 322,673.16, 445,219.38 and 195,354.12 is: 269,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,673.16 : 445,219.38 = 195,354.12 : x
  2. Step 2: Convert to fraction form
    322,673.16/445,219.38 = 195,354.12/x
  3. Step 3: Cross multiply
    322,673.16x = 445,219.38 × 195,354.12
  4. Step 4: Simplify right side
    322,673.16x = 86,975,440,186.85
  5. Step 5: Solve for x
    x = 86,975,440,186.85/322,673.16
  6. Step 6: Final answer
    x = 269,546.56

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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.