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Finding the Fourth Proportional to 293,321.30, 404,789.54 and 165,996.86

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Solution

The fourth proportional to 293,321.30, 404,789.54 and 165,996.86 is: 229,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,321.30 : 404,789.54 = 165,996.86 : x
  2. Step 2: Convert to fraction form
    293,321.30/404,789.54 = 165,996.86/x
  3. Step 3: Cross multiply
    293,321.30x = 404,789.54 × 165,996.86
  4. Step 4: Simplify right side
    293,321.30x = 67,193,789,746.91
  5. Step 5: Solve for x
    x = 67,193,789,746.91/293,321.30
  6. Step 6: Final answer
    x = 229,079.14

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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.