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Finding the Fourth Proportional to 293,321.84, 404,790.20 and 165,997.40

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Solution

The fourth proportional to 293,321.84, 404,790.20 and 165,997.40 is: 229,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,321.84 : 404,790.20 = 165,997.40 : x
  2. Step 2: Convert to fraction form
    293,321.84/404,790.20 = 165,997.40/x
  3. Step 3: Cross multiply
    293,321.84x = 404,790.20 × 165,997.40
  4. Step 4: Simplify right side
    293,321.84x = 67,194,120,745.48
  5. Step 5: Solve for x
    x = 67,194,120,745.48/293,321.84
  6. Step 6: Final answer
    x = 229,079.84

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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.