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Finding the Fourth Proportional to 220,620.08, 304,765.80 and 196,739.12

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Solution

The fourth proportional to 220,620.08, 304,765.80 and 196,739.12 is: 271,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,620.08 : 304,765.80 = 196,739.12 : x
  2. Step 2: Convert to fraction form
    220,620.08/304,765.80 = 196,739.12/x
  3. Step 3: Cross multiply
    220,620.08x = 304,765.80 × 196,739.12
  4. Step 4: Simplify right side
    220,620.08x = 59,959,355,298.10
  5. Step 5: Solve for x
    x = 59,959,355,298.10/220,620.08
  6. Step 6: Final answer
    x = 271,776.51

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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.