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Finding the Fourth Proportional to 293,454.36, 404,964.78 and 166,128.84

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Solution

The fourth proportional to 293,454.36, 404,964.78 and 166,128.84 is: 229,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,454.36 : 404,964.78 = 166,128.84 : x
  2. Step 2: Convert to fraction form
    293,454.36/404,964.78 = 166,128.84/x
  3. Step 3: Cross multiply
    293,454.36x = 404,964.78 × 166,128.84
  4. Step 4: Simplify right side
    293,454.36x = 67,276,329,142.26
  5. Step 5: Solve for x
    x = 67,276,329,142.26/293,454.36
  6. Step 6: Final answer
    x = 229,256.53

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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.