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Finding the Fourth Proportional to 294,179.43, 405,954.81 and 163,348.94

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Solution

The fourth proportional to 294,179.43, 405,954.81 and 163,348.94 is: 225,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,179.43 : 405,954.81 = 163,348.94 : x
  2. Step 2: Convert to fraction form
    294,179.43/405,954.81 = 163,348.94/x
  3. Step 3: Cross multiply
    294,179.43x = 405,954.81 × 163,348.94
  4. Step 4: Simplify right side
    294,179.43x = 66,312,285,871.63
  5. Step 5: Solve for x
    x = 66,312,285,871.63/294,179.43
  6. Step 6: Final answer
    x = 225,414.42

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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.