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Finding the Fourth Proportional to 303,884.04, 419,628.96 and 189,358.14

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Solution

The fourth proportional to 303,884.04, 419,628.96 and 189,358.14 is: 261,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,884.04 : 419,628.96 = 189,358.14 : x
  2. Step 2: Convert to fraction form
    303,884.04/419,628.96 = 189,358.14/x
  3. Step 3: Cross multiply
    303,884.04x = 419,628.96 × 189,358.14
  4. Step 4: Simplify right side
    303,884.04x = 79,460,159,355.73
  5. Step 5: Solve for x
    x = 79,460,159,355.73/303,884.04
  6. Step 6: Final answer
    x = 261,481.84

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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.