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Finding the Fourth Proportional to 322,281.38, 481,056.42 and 298,530.56

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Solution

The fourth proportional to 322,281.38, 481,056.42 and 298,530.56 is: 445,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,281.38 : 481,056.42 = 298,530.56 : x
  2. Step 2: Convert to fraction form
    322,281.38/481,056.42 = 298,530.56/x
  3. Step 3: Cross multiply
    322,281.38x = 481,056.42 × 298,530.56
  4. Step 4: Simplify right side
    322,281.38x = 143,610,043,097.09
  5. Step 5: Solve for x
    x = 143,610,043,097.09/322,281.38
  6. Step 6: Final answer
    x = 445,604.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.