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Finding the Fourth Proportional to 239,969.80, 330,383.46 and 197,455.24

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Solution

The fourth proportional to 239,969.80, 330,383.46 and 197,455.24 is: 271,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,969.80 : 330,383.46 = 197,455.24 : x
  2. Step 2: Convert to fraction form
    239,969.80/330,383.46 = 197,455.24/x
  3. Step 3: Cross multiply
    239,969.80x = 330,383.46 × 197,455.24
  4. Step 4: Simplify right side
    239,969.80x = 65,235,945,386.33
  5. Step 5: Solve for x
    x = 65,235,945,386.33/239,969.80
  6. Step 6: Final answer
    x = 271,850.65

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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.