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Finding the Fourth Proportional to 221,816.44, 332,948.94 and 196,676.92

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Solution

The fourth proportional to 221,816.44, 332,948.94 and 196,676.92 is: 295,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,816.44 : 332,948.94 = 196,676.92 : x
  2. Step 2: Convert to fraction form
    221,816.44/332,948.94 = 196,676.92/x
  3. Step 3: Cross multiply
    221,816.44x = 332,948.94 × 196,676.92
  4. Step 4: Simplify right side
    221,816.44x = 65,483,372,036.46
  5. Step 5: Solve for x
    x = 65,483,372,036.46/221,816.44
  6. Step 6: Final answer
    x = 295,214.24

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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.