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Finding the Fourth Proportional to 293,446.80, 404,935.20 and 166,114.80

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Solution

The fourth proportional to 293,446.80, 404,935.20 and 166,114.80 is: 229,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,446.80 : 404,935.20 = 166,114.80 : x
  2. Step 2: Convert to fraction form
    293,446.80/404,935.20 = 166,114.80/x
  3. Step 3: Cross multiply
    293,446.80x = 404,935.20 × 166,114.80
  4. Step 4: Simplify right side
    293,446.80x = 67,265,729,760.96
  5. Step 5: Solve for x
    x = 67,265,729,760.96/293,446.80
  6. Step 6: Final answer
    x = 229,226.32

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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.