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Finding the Fourth Proportional to 300,951.96, 415,302.67 and 164,982.92

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Solution

The fourth proportional to 300,951.96, 415,302.67 and 164,982.92 is: 227,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,951.96 : 415,302.67 = 164,982.92 : x
  2. Step 2: Convert to fraction form
    300,951.96/415,302.67 = 164,982.92/x
  3. Step 3: Cross multiply
    300,951.96x = 415,302.67 × 164,982.92
  4. Step 4: Simplify right side
    300,951.96x = 68,517,848,726.22
  5. Step 5: Solve for x
    x = 68,517,848,726.22/300,951.96
  6. Step 6: Final answer
    x = 227,670.39

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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.