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Finding the Fourth Proportional to 322,542.33, 445,123.53 and 179,304.63

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Solution

The fourth proportional to 322,542.33, 445,123.53 and 179,304.63 is: 247,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,542.33 : 445,123.53 = 179,304.63 : x
  2. Step 2: Convert to fraction form
    322,542.33/445,123.53 = 179,304.63/x
  3. Step 3: Cross multiply
    322,542.33x = 445,123.53 × 179,304.63
  4. Step 4: Simplify right side
    322,542.33x = 79,812,709,850.94
  5. Step 5: Solve for x
    x = 79,812,709,850.94/322,542.33
  6. Step 6: Final answer
    x = 247,448.79

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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.