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Finding the Fourth Proportional to 322,675.49, 445,293.07 and 177,496.15

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Solution

The fourth proportional to 322,675.49, 445,293.07 and 177,496.15 is: 244,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,675.49 : 445,293.07 = 177,496.15 : x
  2. Step 2: Convert to fraction form
    322,675.49/445,293.07 = 177,496.15/x
  3. Step 3: Cross multiply
    322,675.49x = 445,293.07 × 177,496.15
  4. Step 4: Simplify right side
    322,675.49x = 79,037,802,432.73
  5. Step 5: Solve for x
    x = 79,037,802,432.73/322,675.49
  6. Step 6: Final answer
    x = 244,945.17

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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.