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Finding the Fourth Proportional to 221,394.42, 332,322.08 and 196,253.64

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Solution

The fourth proportional to 221,394.42, 332,322.08 and 196,253.64 is: 294,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,394.42 : 332,322.08 = 196,253.64 : x
  2. Step 2: Convert to fraction form
    221,394.42/332,322.08 = 196,253.64/x
  3. Step 3: Cross multiply
    221,394.42x = 332,322.08 × 196,253.64
  4. Step 4: Simplify right side
    221,394.42x = 65,219,419,221.24
  5. Step 5: Solve for x
    x = 65,219,419,221.24/221,394.42
  6. Step 6: Final answer
    x = 294,584.74

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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.