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Finding the Fourth Proportional to 322,963.03, 445,686.79 and 177,777.41

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Solution

The fourth proportional to 322,963.03, 445,686.79 and 177,777.41 is: 245,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,963.03 : 445,686.79 = 177,777.41 : x
  2. Step 2: Convert to fraction form
    322,963.03/445,686.79 = 177,777.41/x
  3. Step 3: Cross multiply
    322,963.03x = 445,686.79 × 177,777.41
  4. Step 4: Simplify right side
    322,963.03x = 79,233,042,308.53
  5. Step 5: Solve for x
    x = 79,233,042,308.53/322,963.03
  6. Step 6: Final answer
    x = 245,331.62

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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.