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Finding the Fourth Proportional to 293,608.74, 405,185.40 and 166,310.76

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Solution

The fourth proportional to 293,608.74, 405,185.40 and 166,310.76 is: 229,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,608.74 : 405,185.40 = 166,310.76 : x
  2. Step 2: Convert to fraction form
    293,608.74/405,185.40 = 166,310.76/x
  3. Step 3: Cross multiply
    293,608.74x = 405,185.40 × 166,310.76
  4. Step 4: Simplify right side
    293,608.74x = 67,386,691,814.90
  5. Step 5: Solve for x
    x = 67,386,691,814.90/293,608.74
  6. Step 6: Final answer
    x = 229,511.87

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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.